Submission #1131951

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Source Code Expand

#include <cstdio>
#include <iostream>
#include <algorithm>
#include <vector>
#include <string>
#include <string>
#include <map>
#include <set>

using namespace std;

int main() {
	long long mod = 1000000007ll;
	int N; scanf("%d", &N);
	long long ans = 1ll; int cnt = 0;
	for (int i = 0; i < N; ++i) {
		int x; scanf("%d", &x);
			while ((i - cnt) * 2 + 1 > x) {
				ans *= (long long) (i - cnt + 1);
				ans %= mod;
				cnt++;
			}
	}
	while (cnt < N) {
		ans *= (long long) (N - cnt);
		ans %= mod;
		cnt++;
	}
	cout << ans << endl;

	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:14:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  int N; scanf("%d", &N);
                        ^
./Main.cpp:17:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   int x; scanf("%d", &x);
                         ^

Judge Result