Submission #23498

#	Time	Username	Problem	Language	Result	Execution time	Memory
23498		ruhanhabib39	Calvinball championship (CEOI15_teams)	C++14	0 / 100	0 ms	2096 KiB

teams

#include <bits/stdc++.h>
using namespace std;

const int MAXN = 1e4;
const long long MOD = 1e6 + 7;

int N;
int A[MAXN + 10];
int pw[MAXN + 10];

int main() {
   scanf("%d", &N);
   for(int i = N-1; i >= 0; i--) {
      scanf("%d", &A[i]);
      A[i]--;
   }
   pw[0] = 1;
   for(int i = 1; i <= N; i++) {
      pw[i] = (pw[i-1] * 1LL * N) % MOD;
   }
   long long rs = 0;
   for(int i = 0; i < N; i++) {
      rs += pw[i] * A[i] % MOD;
      rs %= MOD;
   }
   printf("%lld\n", rs);
}

Compilation message (stderr)

teams.cpp: In function 'int main()':
teams.cpp:12:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d", &N);
                   ^
teams.cpp:14:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d", &A[i]);
                         ^

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10