Submission #1131227

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Source Code Expand

#include<vector>
#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;

const int MOD = 1000000007;

int main() {
	int n;
	scanf("%d", &n);
	int cur = 0, ans = 1;
	for (int i = 0; i < n; ++i) {
		int x, pos = cur * 2 + 1;
		scanf("%d", &x);
		if (x >= pos) {
			++cur;
		} else {
			ans = (long long)ans * (cur + 1) % MOD;
		}
	}
	while (cur) {
		ans = (long long)ans * cur % MOD;
		--cur;
	}
	printf("%d\n", ans);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:15:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &x);
                  ^

Judge Result