Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
127253 陈淮遇 奇偶位互换 C++ Compile Error 0 MS 0 KB 261 2025-07-25 18:31:44

Tests(0/0):

Code:

#include<stdio.h> #include<string.h> int main(){ int C,i,j,lena; char a[50],c[50]; scanf("%d",&C); while(C--) { scanf("%s",a); lena=strlen(a); for(i=0;i<lena;i++) { if(i%2!=0) c[i]=a[i-1]; else c[i]=a[i+1]; } c[lena]='\0'; printf("%s\n",c); }

Run Info:

Main.cc: In function 'int main()':
Main.cc:4:9: warning: unused variable 'j' [-Wunused-variable]
 int C,i,j,lena;
         ^
Main.cc:20:1: error: expected '}' at end of input
 }
 ^
Main.cc:6:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d",&C);
               ^
Main.cc:9:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf("%s",a);
              ^