Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
91142 刘明沅 04保留两位小数 C++ Compile Error 0 MS 0 KB 149 2024-09-21 12:04:12

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main(){ double a,b,c; scanf("%lf%lf",&a,&b); double c=a/b; printf("%.2f",b) return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:9: error: redeclaration of 'double c'
  double c=a/b;
         ^
Main.cc:4:13: note: 'double c' previously declared here
  double a,b,c;
             ^
Main.cc:8:2: error: expected ';' before 'return'
  return 0;
  ^
Main.cc:4:13: warning: unused variable 'c' [-Wunused-variable]
  double a,b,c;
             ^
Main.cc:5:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lf%lf",&a,&b);
                       ^