Submission #1303262

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Source Code Expand

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

typedef long long ll;
const ll mod = 1000*1000*1000+7;
int N;
vector<int> X;

int main() {
    scanf("%d", &N);
    X.resize(N);
    for(int i = 0; i < N; i++) {
        scanf("%d", &X[i]);
    }
    ll ans = 1;
    int cnt = 1;
    for(int i = 0; i < N - 1; i++) {
        if(X[i] >= 2*cnt - 1) cnt++;
        else {
            ans *= cnt;
            ans %= mod;
        }
    }
    for(int i = 1; i <= cnt; i++) {
        ans *= i;
        ans %= mod;
    }
    printf("%lld", ans);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
                    ^
./Main.cpp:13:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &X[i]);
                           ^

Judge Result