Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
97945 陈家渝 09输出成绩等级 C++ Compile Error 0 MS 0 KB 403 2024-11-16 21:43:22

Tests(0/0):

Code:

#include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a; cin>>a; if(a>=90) { cout<<'A'; } elif(a>=80<90) { cout<<'B'; } elif(a>=70<80) { cout<<'C'; } elif(a>=60<70) { cout<<'D'; } elif(a<60) { cout<<'E' } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:5:5: error: 'cin' was not declared in this scope
     cin>>a;
     ^
Main.cc:8:9: error: 'cout' was not declared in this scope
         cout<<'A';
         ^
Main.cc:10:15: warning: comparison of constant '90' with boolean expression is always true [-Wbool-compare]
     elif(a>=80<90)
               ^
Main.cc:10:11: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
     elif(a>=80<90)
           ^
Main.cc:10:18: error: 'elif' was not declared in this scope
     elif(a>=80<90)
                  ^
Main.cc:14:15: warning: comparison of constant '80' with boolean expression is always true [-Wbool-compare]
     elif(a>=70<80)
               ^
Main.cc:14:11: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
     elif(a>=70<80)
           ^
Main.cc:18:15: warning: comparison of constant '70' with boolean expression is always true [-Wbool-compare]
     elif(a>=60<70)
               ^
Main.cc:18:11: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
     elif(a>=60<70)
           ^