Submission #37522414

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Source Code Expand

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

void to_one(int a[]);

int main(void){
	char str[300001];
	scanf("%s", str);
	int len = strlen(str);

	int ball[26];
	to_one(ball);
	int left[len], i_left = 0;
	for(int i = 0; i < len; i++){
		if(str[i] == '('){
			left[i_left] = i;
			i_left++;
		}
		else if(str[i] == ')'){
			i_left--;
			for(int j = left[i_left]; j < i; j++){
				if('a' <= str[j] && str[j] <= 'z'){
					if(ball[str[i] - 'a'] == 1){
						ball[str[i] - 'a'] = 0;
					}
					else if(ball[str[i] - 'a'] == 0){
						printf("No\n");
						return 0;
					}
				}
			}
			to_one(ball);
		}
	}
	
	printf("Yes\n");
	return 0;
}

void to_one(int a[]){
	for(int i = 0; i < 26; i++){
		a[i] = 1;
	}
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:8:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
    8 |  scanf("%s", str);
      |  ^~~~~~~~~~~~~~~~

Judge Result