Submission #1567713

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Source Code Expand

#include <cstdio>
using namespace std;

int main() {
	int N;
	scanf("%d", &N);
	int sol = 0, streak = 0;
	for (int i = 1; i <= N; i++) {
		int x;
		scanf("%d", &x);
		if (x == i)
			streak++;
		else {
			sol += (streak + 1) / 2;
			streak = 0;
		}
	}
	sol += (streak + 1) / 2;

	printf("%d\n", sol);
		
	return 0;
}

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:10:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &x);
                  ^

Judge Result