Submission #1131170

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Source Code Expand

#include <cstdio>

using namespace std;

int x[100000];
long long fact[100001];

int main() {
    int n, c = 0, m = 1000000007, i;
    long long ans = 1;
    
    scanf("%d", &n);
    
    for (i = 0; i < n; i++) scanf("%d", &x[i]);
    
    fact[0] = fact[1] = 1;
    for (i = 2; i <= n; i++) fact[i] = fact[i - 1] * i % m;
    
    for (i = 0; i < n; i++) {
        if (x[i] < c * 2 + 1) {
            ans = ans * (c + 1) % m;
        } else {
            c++;
        }
    }
    
    ans = ans * fact[c] % m;
    
    printf("%lld\n", ans);
    
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
./Main.cpp:14:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     for (i = 0; i < n; i++) scanf("%d", &x[i]);
                                               ^

Judge Result