Submission #1131226

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int modulo(1e9 + 7);
int main() {
	int n;
	scanf("%d", &n);
	int cnt(0);
	int ans(1);
	for(int i(1); i <= n; i++) {
		int x;
		scanf("%d", &x);
		if(x >= cnt * 2 + 1) {
			cnt++;
		}else {
			ans = (long long)ans * (cnt + 1) % modulo;
		}
	}
	while(cnt) {
		ans = (long long)ans * cnt % modulo;
		cnt--;
	}
	cout << ans << endl;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:11:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &x);
                  ^

Judge Result