Submission #2145954

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Source Code Expand

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>

int compare_int(const void *a, const void *b)
{
    return *(int*)a - *(int*)b;
}
/*qsort(array, array_size, sizeof(int), compare_int)*/

int main()
{
	int N;
	int NG[3];
	int count = 0;
	scanf("%d %d %d %d ", &N, &NG[0], &NG[1], &NG[2]);

	qsort(NG, 3, sizeof(int), compare_int);

	if (N == NG[2]) {
		printf("NO\n");
		return 0;
	}

	if (N < NG[0]) {
		printf("YES\n");
		return 0;
	}

	if ((NG[2]-NG[1] == 1) && (NG[1]-NG[0] == 1)) {
		printf("NO\n");
		return 0;
	}

	int m = 2;
	for (int i = 0; i < 100; i++) {
		N -= 3;
		if (N < NG[m]) {
			m--;
		}
		if (N == NG[m] && m >= 0) {
			N++;
			m--;
		}
	}

	if (N <= 0)
		printf("YES\n");
	else
		printf("NO\n");

	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:17:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d %d ", &N, &NG[0], &NG[1], &NG[2]);
  ^

Judge Result