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Provide tags and a correct Python 3 solution for this coding contest problem. The Berland road network consists of n cities and of m bidirectional roads. The cities are numbered from 1 to n, where the main capital city has number n, and the culture capital — number 1. The road network is set up so that it is possible ...
instruction
0
1,905
1
3,810
Tags: dp, graphs, shortest paths Correct Solution: ``` from collections import deque n, m = [int(i) for i in input().split()] g = [[] for i in range(n)] for i in range(m): u, v = [int(i) - 1 for i in input().split()] g[u].append(v) g[v].append(u) def bfs(s): d = [-1] * n ct = [0.0] * n q = de...
output
1
1,905
1
3,811
Provide tags and a correct Python 3 solution for this coding contest problem. The Berland road network consists of n cities and of m bidirectional roads. The cities are numbered from 1 to n, where the main capital city has number n, and the culture capital — number 1. The road network is set up so that it is possible ...
instruction
0
1,906
1
3,812
Tags: dp, graphs, shortest paths Correct Solution: ``` from collections import deque n, m = [int(i) for i in input().split()] g = [[] for i in range(n)] for i in range(m): u, v = [int(i) - 1 for i in input().split()] g[u].append(v) g[v].append(u) def bfs(s): d = [-1] * n ct = [0.0] * n q = de...
output
1
1,906
1
3,813
Provide tags and a correct Python 3 solution for this coding contest problem. The Berland road network consists of n cities and of m bidirectional roads. The cities are numbered from 1 to n, where the main capital city has number n, and the culture capital — number 1. The road network is set up so that it is possible ...
instruction
0
1,907
1
3,814
Tags: dp, graphs, shortest paths Correct Solution: ``` n, m = map(int, input().split()) adj = [[] for i in range(n)] for _ in range(m): a, b = map(int, input().split()) adj[a-1].append(b-1) adj[b-1].append(a-1) def bfs(s): q, d, res = [s], [-1] * n, [0] * n d[s] = 0 res[s] = 1 i = 0 whi...
output
1
1,907
1
3,815
Provide tags and a correct Python 3 solution for this coding contest problem. The Berland road network consists of n cities and of m bidirectional roads. The cities are numbered from 1 to n, where the main capital city has number n, and the culture capital — number 1. The road network is set up so that it is possible ...
instruction
0
1,908
1
3,816
Tags: dp, graphs, shortest paths Correct Solution: ``` read_line = lambda: map(int, input().split(' ')) n, m = read_line() g = [[] for i in range(n)] while m: a, b = map(lambda x: x - 1, read_line()) g[a].append(b) g[b].append(a) m -= 1 def bfs(v0): q = [v0] d = [-1] * n d[v0] = 0 way...
output
1
1,908
1
3,817
Provide tags and a correct Python 3 solution for this coding contest problem. The Berland road network consists of n cities and of m bidirectional roads. The cities are numbered from 1 to n, where the main capital city has number n, and the culture capital — number 1. The road network is set up so that it is possible ...
instruction
0
1,909
1
3,818
Tags: dp, graphs, shortest paths Correct Solution: ``` #build the graph with n cities and m roads #figure out all of the shortest paths from city 1 to city n #best=number of shortest paths (if we have police station at 1 or n) s=list(map(int,input().split())) n=s[0] m=s[1] roads=[] Adj=[] for i in range(0,n+1): r...
output
1
1,909
1
3,819
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Berland road network consists of n cities and of m bidirectional roads. The cities are numbered from 1 to n, where the main capital city has number n, and the culture capital — number 1. The...
instruction
0
1,910
1
3,820
No
output
1
1,910
1
3,821
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Berland road network consists of n cities and of m bidirectional roads. The cities are numbered from 1 to n, where the main capital city has number n, and the culture capital — number 1. The...
instruction
0
1,911
1
3,822
No
output
1
1,911
1
3,823
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Berland road network consists of n cities and of m bidirectional roads. The cities are numbered from 1 to n, where the main capital city has number n, and the culture capital — number 1. The...
instruction
0
1,912
1
3,824
No
output
1
1,912
1
3,825
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Berland road network consists of n cities and of m bidirectional roads. The cities are numbered from 1 to n, where the main capital city has number n, and the culture capital — number 1. The...
instruction
0
1,913
1
3,826
No
output
1
1,913
1
3,827
Provide tags and a correct Python 3 solution for this coding contest problem. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided to achieve its goal by expanding the boundaries...
instruction
0
1,966
1
3,932
Tags: binary search, greedy, implementation, sortings Correct Solution: ``` import math n, s = [int(x) for x in input().split()] cities = [] for i in range(n): x, y, k = [int(x) for x in input().split()] d2 = x ** 2 + y ** 2 cities.append((d2, k)) cities.sort(key=lambda x: x[0]) if s >= int(1E6): pr...
output
1
1,966
1
3,933
Provide tags and a correct Python 3 solution for this coding contest problem. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided to achieve its goal by expanding the boundaries...
instruction
0
1,967
1
3,934
Tags: binary search, greedy, implementation, sortings Correct Solution: ``` from math import sqrt MEGA_POPULATION = int(1e6) class Location: def __init__(self, x, y, population): self.x = x self.y = y self.population = population self.dist = sqrt(x ** 2 + y ** 2) n, population = map(int, input().sp...
output
1
1,967
1
3,935
Provide tags and a correct Python 3 solution for this coding contest problem. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided to achieve its goal by expanding the boundaries...
instruction
0
1,968
1
3,936
Tags: binary search, greedy, implementation, sortings Correct Solution: ``` # maa chudaaye duniya n, s = map(int,input().split()) arr = [] for _ in range(n): a, b, c = map(int, input().split()) arr.append([(a, b), c]) arr.sort(key=lambda x : x[0][0]**2 + x[0][1]**2) # print(*arr) pt = [-1, -1] for i in range(n)...
output
1
1,968
1
3,937
Provide tags and a correct Python 3 solution for this coding contest problem. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided to achieve its goal by expanding the boundaries...
instruction
0
1,969
1
3,938
Tags: binary search, greedy, implementation, sortings Correct Solution: ``` import sys import math import bisect def query_value(m, dist, population, r): n = len(dist) ans = m for i in range(n): if r >= dist[i] - 10 ** -8: ans += population[i] #print('m: %d, dist: %s, population: %s...
output
1
1,969
1
3,939
Provide tags and a correct Python 3 solution for this coding contest problem. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided to achieve its goal by expanding the boundaries...
instruction
0
1,970
1
3,940
Tags: binary search, greedy, implementation, sortings Correct Solution: ``` from math import sqrt def sort_fun(el): return sqrt(el[0] ** 2 + el[1] ** 2) def main(): cities, population = [int(x) for x in input().split(" ")] data = [] for _ in range(cities): data.append([int(x) for x in input()...
output
1
1,970
1
3,941
Provide tags and a correct Python 3 solution for this coding contest problem. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided to achieve its goal by expanding the boundaries...
instruction
0
1,971
1
3,942
Tags: binary search, greedy, implementation, sortings Correct Solution: ``` from math import * R = lambda:map(int, input().split()) n, s = R() x = sorted((hypot(x, y), k) for x, y, k in (R() for i in range(n))) for t in x: s += t[1] if s >= 1000000: print(t[0]) exit() print(-1) ```
output
1
1,971
1
3,943
Provide tags and a correct Python 3 solution for this coding contest problem. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided to achieve its goal by expanding the boundaries...
instruction
0
1,972
1
3,944
Tags: binary search, greedy, implementation, sortings Correct Solution: ``` n,pop = list(map(int,input().split())) arr = [] d = {} cnt = 0 for i in range(n): x,y,p = list(map(int,input().split())) x,y = abs(x),abs(y) cnt+=p r = (x**2 + y**2)**(0.5) arr.append([r,x,y,p]) arr.sort() if pop+cnt<1000000...
output
1
1,972
1
3,945
Provide tags and a correct Python 3 solution for this coding contest problem. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided to achieve its goal by expanding the boundaries...
instruction
0
1,973
1
3,946
Tags: binary search, greedy, implementation, sortings Correct Solution: ``` from math import * a,b=map(int,input().split()) s=sorted([hypot(i,j),k] for (i,j,k) in (map(int,input().split()) for _ in " "*a)) for i in range(1,a): s[i][1]+=s[i-1][1] lo=0;hi=a-1;ans=-1 while lo<=hi: mid=(lo+hi)//2 if ((b+s[mid][...
output
1
1,973
1
3,947
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided ...
instruction
0
1,974
1
3,948
Yes
output
1
1,974
1
3,949
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided ...
instruction
0
1,975
1
3,950
Yes
output
1
1,975
1
3,951
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided ...
instruction
0
1,976
1
3,952
Yes
output
1
1,976
1
3,953
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided ...
instruction
0
1,977
1
3,954
Yes
output
1
1,977
1
3,955
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided ...
instruction
0
1,978
1
3,956
No
output
1
1,978
1
3,957
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided ...
instruction
0
1,979
1
3,958
No
output
1
1,979
1
3,959
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided ...
instruction
0
1,980
1
3,960
No
output
1
1,980
1
3,961
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided ...
instruction
0
1,981
1
3,962
No
output
1
1,981
1
3,963
Provide tags and a correct Python 3 solution for this coding contest problem. Meanwhile, the kingdom of K is getting ready for the marriage of the King's daughter. However, in order not to lose face in front of the relatives, the King should first finish reforms in his kingdom. As the King can not wait for his daughte...
instruction
0
2,070
1
4,140
Tags: dfs and similar, divide and conquer, dp, graphs, sortings, trees Correct Solution: ``` import sys from collections import deque def solve(): sys.setrecursionlimit(10**6) readline = sys.stdin.readline writelines = sys.stdout.writelines N = int(readline()) G = [[] for i in range(N)] for i in...
output
1
2,070
1
4,141
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Meanwhile, the kingdom of K is getting ready for the marriage of the King's daughter. However, in order not to lose face in front of the relatives, the King should first finish reforms in his ki...
instruction
0
2,071
1
4,142
No
output
1
2,071
1
4,143
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Meanwhile, the kingdom of K is getting ready for the marriage of the King's daughter. However, in order not to lose face in front of the relatives, the King should first finish reforms in his ki...
instruction
0
2,072
1
4,144
No
output
1
2,072
1
4,145
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A new trade empire is rising in Berland. Bulmart, an emerging trade giant, decided to dominate the market of ... shovels! And now almost every city in Berland has a Bulmart store, and some citie...
instruction
0
2,123
1
4,246
No
output
1
2,123
1
4,247
Provide tags and a correct Python 3 solution for this coding contest problem. The capital of Berland looks like a rectangle of size n × m of the square blocks of same size. Fire! It is known that k + 1 blocks got caught on fire (k + 1 ≤ n·m). Those blocks are centers of ignition. Moreover positions of k of these cen...
instruction
0
2,165
1
4,330
Tags: binary search, data structures Correct Solution: ``` import sys from collections import Counter from operator import itemgetter from heapq import heappop, heappush n, m, k = map(int, input().split()) points = [list(map(int, line.split())) for line in sys.stdin] pts_sorted_x = sorted(points) pts_sorted_y = sorted...
output
1
2,165
1
4,331
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The capital of Berland looks like a rectangle of size n × m of the square blocks of same size. Fire! It is known that k + 1 blocks got caught on fire (k + 1 ≤ n·m). Those blocks are centers of...
instruction
0
2,166
1
4,332
No
output
1
2,166
1
4,333
Provide a correct Python 3 solution for this coding contest problem. At the end of last year, Santa Claus forgot to give Christmas presents to the children in JOI village. Therefore, I decided to deliver the chocolate cake to the children as an apology. The day to deliver is approaching tomorrow, so it's time to come ...
instruction
0
2,388
1
4,776
"Correct Solution: ``` from bisect import bisect_left as bl INF = 10 ** 20 def main(): w, h = map(int, input().split()) n = int(input()) xlst = [] ylst = [] appx = xlst.append appy = ylst.append for i in range(n): x, y = map(int,input().split()) appx(x) appy(y) sorted_xlst = sorted...
output
1
2,388
1
4,777
Provide a correct Python 3 solution for this coding contest problem. At the end of last year, Santa Claus forgot to give Christmas presents to the children in JOI village. Therefore, I decided to deliver the chocolate cake to the children as an apology. The day to deliver is approaching tomorrow, so it's time to come ...
instruction
0
2,389
1
4,778
"Correct Solution: ``` from bisect import bisect_left as bl INF = 10 ** 20 def main(): w, h = map(int, input().split()) n = int(input()) xlst = [] ylst = [] appx = xlst.append appy = ylst.append for i in range(n): x, y = map(int,input().split()) appx(x) appy(y) sorted_xlst = sorte...
output
1
2,389
1
4,779
Provide a correct Python 3 solution for this coding contest problem. At the end of last year, Santa Claus forgot to give Christmas presents to the children in JOI village. Therefore, I decided to deliver the chocolate cake to the children as an apology. The day to deliver is approaching tomorrow, so it's time to come ...
instruction
0
2,390
1
4,780
"Correct Solution: ``` from bisect import bisect_left as bl INF = 10 ** 20 def main(): w, h = map(int, input().split()) n = int(input()) xlst = [] ylst = [] appx = xlst.append appy = ylst.append for i in range(n): x, y = map(int,input().split()) appx(x) appy(y) sorted_xlst = sorted...
output
1
2,390
1
4,781
Provide a correct Python 3 solution for this coding contest problem. At the end of last year, Santa Claus forgot to give Christmas presents to the children in JOI village. Therefore, I decided to deliver the chocolate cake to the children as an apology. The day to deliver is approaching tomorrow, so it's time to come ...
instruction
0
2,391
1
4,782
"Correct Solution: ``` from bisect import bisect_left as bl INF = 10 ** 20 def main(): w, h = map(int, input().split()) n = int(input()) xlst = [] ylst = [] appx = xlst.append appy = ylst.append for i in range(n): x, y = map(int,input().split()) appx(x) appy(y) sorted_xlst = sorte...
output
1
2,391
1
4,783
Provide a correct Python 3 solution for this coding contest problem. At the end of last year, Santa Claus forgot to give Christmas presents to the children in JOI village. Therefore, I decided to deliver the chocolate cake to the children as an apology. The day to deliver is approaching tomorrow, so it's time to come ...
instruction
0
2,392
1
4,784
"Correct Solution: ``` from bisect import bisect_left as bl INF = 10 ** 20 def main(): w, h = map(int, input().split()) n = int(input()) xlst = [] ylst = [] appx = xlst.append appy = ylst.append for i in range(n): x, y = map(int,input().split()) appx(x) appy(y) sorted_xlst = sorted...
output
1
2,392
1
4,785
Provide a correct Python 3 solution for this coding contest problem. At the end of last year, Santa Claus forgot to give Christmas presents to the children in JOI village. Therefore, I decided to deliver the chocolate cake to the children as an apology. The day to deliver is approaching tomorrow, so it's time to come ...
instruction
0
2,393
1
4,786
"Correct Solution: ``` from bisect import bisect_left as bl INF = 10 ** 20 def main(): w, h = map(int, input().split()) n = int(input()) xlst = [] ylst = [] for i in range(n): x, y = map(int,input().split()) xlst.append(x) ylst.append(y) sorted_xlst = sorted(xlst) sorted_ylst = so...
output
1
2,393
1
4,787
Provide a correct Python 3 solution for this coding contest problem. At the end of last year, Santa Claus forgot to give Christmas presents to the children in JOI village. Therefore, I decided to deliver the chocolate cake to the children as an apology. The day to deliver is approaching tomorrow, so it's time to come ...
instruction
0
2,394
1
4,788
"Correct Solution: ``` from bisect import bisect_left as bl from bisect import bisect_right as br INF = 10 ** 20 w, h = map(int, input().split()) n = int(input()) xlst = [] ylst = [] for i in range(n): x, y = map(int,input().split()) xlst.append(x) ylst.append(y) sorted_xlst = sorted(xlst) sorted_xlst_d = sorted...
output
1
2,394
1
4,789
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. At the end of last year, Santa Claus forgot to give Christmas presents to the children in JOI village. Therefore, I decided to deliver the chocolate cake to the children as an apology. The day t...
instruction
0
2,395
1
4,790
No
output
1
2,395
1
4,791
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. At the end of last year, Santa Claus forgot to give Christmas presents to the children in JOI village. Therefore, I decided to deliver the chocolate cake to the children as an apology. The day t...
instruction
0
2,396
1
4,792
No
output
1
2,396
1
4,793
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. At the end of last year, Santa Claus forgot to give Christmas presents to the children in JOI village. Therefore, I decided to deliver the chocolate cake to the children as an apology. The day t...
instruction
0
2,397
1
4,794
No
output
1
2,397
1
4,795
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. At the end of last year, Santa Claus forgot to give Christmas presents to the children in JOI village. Therefore, I decided to deliver the chocolate cake to the children as an apology. The day t...
instruction
0
2,398
1
4,796
No
output
1
2,398
1
4,797
Provide tags and a correct Python 3 solution for this coding contest problem. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise. Xenia has recently moved into the ringroad ho...
instruction
0
2,775
1
5,550
Tags: implementation Correct Solution: ``` n,m=map(int,input().split()) arr=[int(i) for i in input().split()] p=1 ans=0 for i in range(m): if arr[i]<p: ans+=n-(p-arr[i]) p=arr[i] elif arr[i]>p: ans+=arr[i]-p p=arr[i] print(ans) ```
output
1
2,775
1
5,551
Provide tags and a correct Python 3 solution for this coding contest problem. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise. Xenia has recently moved into the ringroad ho...
instruction
0
2,776
1
5,552
Tags: implementation Correct Solution: ``` while(1): try: n,m=map(int,input().split()) a=list(map(int,input().split())) tt=a[0]-1 for i in range(1,len(a)): if a[i]<a[i-1]: tt+=n-a[i-1]+a[i] else: tt+=a[i]-a[i-1] print(tt...
output
1
2,776
1
5,553
Provide tags and a correct Python 3 solution for this coding contest problem. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise. Xenia has recently moved into the ringroad ho...
instruction
0
2,777
1
5,554
Tags: implementation Correct Solution: ``` m,n = list(map(int, input().split())) na = list(map(int, input().split())) a = [1] a.extend(na) ans = 0 for i in range(len(a)-1): if a[i+1] - a[i] >=0: ans += a[i+1] - a[i] else: ans += a[i+1]+m - a[i] print(ans) ```
output
1
2,777
1
5,555
Provide tags and a correct Python 3 solution for this coding contest problem. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise. Xenia has recently moved into the ringroad ho...
instruction
0
2,778
1
5,556
Tags: implementation Correct Solution: ``` n,m=map(int,input().split()) a=list(map(int,input().split())) k=0 for i in range(1,len(a)): if (a[i]<a[i-1]): k+=n c=k-1+a[-1]%n if (a[-1]%n==0): print(c+n) else: print(c) ```
output
1
2,778
1
5,557
Provide tags and a correct Python 3 solution for this coding contest problem. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise. Xenia has recently moved into the ringroad ho...
instruction
0
2,779
1
5,558
Tags: implementation Correct Solution: ``` R = lambda: list(map(int, input().split())) n, m = R() a = R() d = lambda i, j: (n - i + j) % n print(a[0] - 1 + sum(d(a[i], a[i + 1]) for i in range(m - 1))) ```
output
1
2,779
1
5,559
Provide tags and a correct Python 3 solution for this coding contest problem. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise. Xenia has recently moved into the ringroad ho...
instruction
0
2,780
1
5,560
Tags: implementation Correct Solution: ``` n,m=list(map(int,input().split())) a=list(map(int,input().split())) last=1 out=0 for i in a: if i>=last: out+=i-last else: out+=i+n-last last=i print(out) ```
output
1
2,780
1
5,561
Provide tags and a correct Python 3 solution for this coding contest problem. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise. Xenia has recently moved into the ringroad ho...
instruction
0
2,781
1
5,562
Tags: implementation Correct Solution: ``` a,b=map(int,input().split()) c=list(map(int,input().split())) k=int(0) x=int(1) while x<b: if c[x]-c[x-1]>=0: k=k+c[x]-c[x-1] else: k=k+a-abs(c[x]-c[x-1]) x=x+1 print(k+c[0]-1) ```
output
1
2,781
1
5,563
Provide tags and a correct Python 3 solution for this coding contest problem. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise. Xenia has recently moved into the ringroad ho...
instruction
0
2,782
1
5,564
Tags: implementation Correct Solution: ``` n, m = map(int, input().split()) ans, loc = 0, 1 homes = list(map(int, input().split())) for dest in homes: if(dest >= loc): ans += dest - loc else: ans += n - loc + dest loc = dest print(ans) ```
output
1
2,782
1
5,565