Submission #1413986


Source Code Expand

#include <string.h>
#include <stdio.h>
int main(void){
    int n,i,c;
    char s[104],t[104];
    scanf("%d",&n);
    scanf("%s",s);
    
    if(n%2==0){printf("-1\n");
        return 0;
    }
    if(n==1){
        if(s[0]=='b')printf("0\n");
        return 0;
    }
    int in=n/2;
    for(i=0;i<n;i++){
        if(i==0){
            t[in]='b';
            if(n!=c*2+1)c++;
            else break;
        }if(3*i+1==c){
            t[in-c]='a';
            t[in+c]='c';
            if(n!=c*2+1)c++;
            else break;
        }if(3*i+2==c){
            t[in-c]='c';
            t[in+c]='a';
            if(n!=c*2+1)c++;
            else break;
        }if(3*(i+1)==c){
            t[in-c]='b';
            t[in+c]='b';
            if(n!=c*2+1)c++;
            else break;
        }
    }
    t[n]='\0';
    if(strcmp(s,t)==0)printf("%d\n",c);
    else printf("-1\n");
    return 0;
        }

Submission Info

Submission Time
Task B - 手芸王
User kyabaria
Language C (GCC 5.4.1)
Score 100
Code Size 942 Byte
Status AC
Exec Time 1 ms
Memory 128 KB

Compile Error

./Main.c: In function ‘main’:
./Main.c:6:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ^
./Main.c:7:5: 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