Submission #1131264

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

const int MX = 100000, md = 1000000007;

int x[MX];

int main() {
	int n;
	scanf("%d", &n);
	for (int i = 0; i < n; i++) scanf("%d", x + i);
	
	int cnt = 0, ans = 1;
	for (int i = 0; i < n; i++) {
		cnt++;
		while (cnt > (x[i] + 1) / 2) {
			ans = (ans * 1ll * cnt) % md;
			cnt--;
		}
	}
	
	while (cnt > 0) {
		ans = (ans * 1ll * cnt) % md;
		cnt--;
	}
	
	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:12:48: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for (int i = 0; i < n; i++) scanf("%d", x + i);
                                                ^

Judge Result