Submission #146675

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Source Code Expand

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

void sort(int *s, int *idx, int n) {
	int min, tmp;
	int i, j;

	for( i = 0; i < n - 1; i++ ) {
		min = i;
		for( j = i + 1; j < n; j++ ) {
			if( s[idx[min]] > s[idx[j]] ) min = j;
		}
		tmp = idx[min];
		idx[min] = idx[i];
		idx[i] = tmp;
	}

	return;
}

int main(void) {
	int *s, *e, *idx;
	int n;
	int i, c;

	scanf("%d", &n);
	s = (int *)malloc(sizeof(int) * n);
	e = (int *)malloc(sizeof(int) * n);
	idx = (int *)malloc(sizeof(int) * n);
	if( s == NULL || e == NULL || idx == NULL ) exit(EXIT_FAILURE);
	for( i = 0; i < n; i++ ) {
		scanf("%d-%d", s + i, e + i);
		s[i] = s[i] % 10 >= 5 ? s[i] - (s[i] % 10 - 5) : s[i] - s[i] % 10;
		e[i] = e[i] % 10 >= 5 ? e[i] + (10 - (e[i] % 10)) % 5 : e[i] + (5 - (e[i] % 10)) % 5;
		e[i] += (e[i] / 10) % 10 == 6 ? 40 : 0;
		idx[i] = i;
	}
	sort(s, idx, n);

	c = 0;
	for( i = 1; i < n; i++ ) {
		if( s[idx[i]] <= e[idx[c]] ) {
			if( e[idx[c]] <= e[idx[i]] ) {
				e[idx[c]] = e[idx[i]];
			}
			s[idx[i]] = -1;	// C言語めんどう
		} else {
			c = i;
		}
	}
	for( i = 0; i < n; i++ ) {
		if( s[idx[i]] != -1 ) printf("%04d-%04d\n", s[idx[i]], e[idx[i]]);
	}

	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:26:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
./Main.c:32:8: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result