Submission #1559173

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
const int maxN = 1e5;

int p[maxN];

int main() {
	int i, j, n, ans = 0; cin >> n;
	for (i = 0; i < n; i++)
		scanf("%d", p + i);
	for (i = 0; i < n - 1; i++) {
		if (p[i] == i + 1) {
			swap(p[i], p[i + 1]);
			ans++;
		}
	}
	printf("%d\n", ans);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:13:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", p + i);
                     ^

Judge Result