Submission #1190154


Source Code Expand

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

int main(void){
	int n,i,l;
	char s[128],c[4]="abc";
	scanf("%d",&n);
	scanf("%s",s);
	l = strlen(s);
	if(l%2 == 0){printf("-1\n");return 0;}
	if(l%6 == 1){
		for(i = 0;i < l;i++){if(s[i] != c[(i+1)%3]){printf("-1\n");return 0;}}
	}
	if(l%6 == 3){
		for(i = 0;i < l;i++){if(s[i] != c[i%3]){printf("-1\n");return 0;}}
	}
	if(l%6 == 5){
		for(i = 0;i < l;i++){if(s[i] != c[(i+2)%3]){printf("-1\n");return 0;}}
	}
	printf("%d\n",(l-1)/2);
	return 0;
}

Submission Info

Submission Time
Task B - 手芸王
User physics0523
Language C (GCC 5.4.1)
Score 100
Code Size 507 Byte
Status AC
Exec Time 1 ms
Memory 128 KB

Compile Error

./Main.c: In function ‘main’:
./Main.c:7:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ^
./Main.c:8:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",s);
  ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 100 / 100
Status
AC × 4
AC × 29
Set Name Test Cases
Sample subtask0-sample01.txt, subtask0-sample02.txt, subtask0-sample03.txt, subtask0-sample04.txt
All subtask0-sample01.txt, subtask0-sample02.txt, subtask0-sample03.txt, subtask0-sample04.txt, subtask1-01.txt, subtask1-02.txt, subtask1-03.txt, subtask1-04.txt, subtask1-05.txt, subtask1-06.txt, subtask1-07.txt, subtask1-08.txt, subtask1-09.txt, subtask1-10.txt, subtask1-11.txt, subtask1-12.txt, subtask1-13.txt, subtask1-14.txt, subtask1-15.txt, subtask1-16.txt, subtask1-17.txt, subtask1-18.txt, subtask1-19.txt, subtask1-20.txt, subtask1-21.txt, subtask1-22.txt, subtask1-23.txt, subtask1-24.txt, subtask1-25.txt
Case Name Status Exec Time Memory
subtask0-sample01.txt AC 1 ms 128 KB
subtask0-sample02.txt AC 1 ms 128 KB
subtask0-sample03.txt AC 1 ms 128 KB
subtask0-sample04.txt AC 1 ms 128 KB
subtask1-01.txt AC 1 ms 128 KB
subtask1-02.txt AC 1 ms 128 KB
subtask1-03.txt AC 1 ms 128 KB
subtask1-04.txt AC 1 ms 128 KB
subtask1-05.txt AC 1 ms 128 KB
subtask1-06.txt AC 1 ms 128 KB
subtask1-07.txt AC 1 ms 128 KB
subtask1-08.txt AC 1 ms 128 KB
subtask1-09.txt AC 1 ms 128 KB
subtask1-10.txt AC 1 ms 128 KB
subtask1-11.txt AC 1 ms 128 KB
subtask1-12.txt AC 1 ms 128 KB
subtask1-13.txt AC 1 ms 128 KB
subtask1-14.txt AC 1 ms 128 KB
subtask1-15.txt AC 1 ms 128 KB
subtask1-16.txt AC 1 ms 128 KB
subtask1-17.txt AC 1 ms 128 KB
subtask1-18.txt AC 1 ms 128 KB
subtask1-19.txt AC 1 ms 128 KB
subtask1-20.txt AC 1 ms 128 KB
subtask1-21.txt AC 1 ms 128 KB
subtask1-22.txt AC 1 ms 128 KB
subtask1-23.txt AC 1 ms 128 KB
subtask1-24.txt AC 1 ms 128 KB
subtask1-25.txt AC 1 ms 128 KB