Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
123870 陈华仁星 12满足条件的四位数 C++ Compile Error 0 MS 0 KB 270 2025-07-10 14:27:49

Tests(0/0):

Code:

#include <cstdio> using namespace std; int main() { int n,m,cnt=0; scanf("%d",&n); for(int i=1;i<=n;i++) { scanf("%d",&m); a=m%10; b=m/10%10; c=m/100%10; d=m/1000; if(a-d-c-b>0) { cnt++; } } printf("%d",cnt); return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:11:3: error: 'a' was not declared in this scope
   a=m%10;
   ^
Main.cc:12:3: error: 'b' was not declared in this scope
   b=m/10%10;
   ^
Main.cc:13:3: error: 'c' was not declared in this scope
   c=m/100%10;
   ^
Main.cc:14:3: error: 'd' was not declared in this scope
   d=m/1000;
   ^
Main.cc:7:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
Main.cc:10:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&m);
                 ^