Submission #1269466

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Source Code Expand

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

int main()
{
	char c[2005];
	char *ans;

	int i=0,len,cou=0;

	scanf("%[^\n]", c);
	len = strlen(c);

	ans = (char*)malloc((len + 1) * sizeof(char));

	while(i<len) {
		if (c[i] == ' ') {
			ans[i-cou] = ',';
			int j = i + 1;
			while (j < len) {
				if (c[j] == ' ') {
					cou++;
					j++;
				}
				else {
					ans[j - cou] = c[j];
					i = j + 1;
					break;
				}
			}
		}
		else {
			ans[i - cou] = c[i];
			i++;
		}
	}
	ans[len  - cou] = '\0';
	printf("%s\n", ans);
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:12:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%[^\n]", c);
  ^

Judge Result