Submission #377699

#	Time	Username	Problem	Language	Result	Execution time	Memory
377699		AlexRex0	Traffic (IOI10_traffic)	C++14	Compilation error	0 ms	0 KiB

traffic

#include <stdio.h>
#include <bits/stdc++.h>
using namespace std;
long long int a[1000002];
static int N,P[1000000],S[1000000],D[1000000];
int LocateCentre(int N, int pp[], int S[], int D[]) {
    int res = 0;
    long long int menor = 2000000000000001;
    a[0] = 0;
    a[N + 1] = 0;
    for(int i = 1; i <= N; ++i){
        a[i] = pp[i - 1] + a[i - 1];
    }
    for(int i = 2; i < N; ++i){
        long long int aux = a[N] - a[i];
        long long int aux2 = a[i - 1];
        aux = max(aux, aux2);
        if(aux < menor){
            menor = aux;
            res = i;
        }
    }
    long long int aux = 0;
    aux = a[N] - a[1];
    if(aux < menor){
        menor = aux;
        res = 1;
    }
    aux = a[N - 1];
    if(aux < menor){
        menor = aux;
        res = N;
    }
    res--;
    return res;
}
int main(){
   int i;
   scanf("%d",&N);
   for (i=0;i<N;i++) scanf("%d",&P[i]);
   for (i=0;i<N-1;i++) scanf("%d%d",&S[i],&D[i]);
   int r = LocateCentre(N,P,S,D);
   printf("%d\n",r);
   return 0;
}

Compilation message (stderr)

traffic.cpp: In function 'int main()':
traffic.cpp:39:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   39 |    scanf("%d",&N);
      |    ~~~~~^~~~~~~~~
traffic.cpp:40:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   40 |    for (i=0;i<N;i++) scanf("%d",&P[i]);
      |                      ~~~~~^~~~~~~~~~~~
traffic.cpp:41:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   41 |    for (i=0;i<N-1;i++) scanf("%d%d",&S[i],&D[i]);
      |                        ~~~~~^~~~~~~~~~~~~~~~~~~~
/tmp/ccpLCgpZ.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccUr2EC7.o:traffic.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status