Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
106132 陈奕涵 09输出成绩等级 C++ Compile Error 0 MS 0 KB 512 2025-01-15 14:23:43

Tests(0/0):

Code:

#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a; cin>>a; if(a>=90){ cout<<"A"; }else if(80<=a<90){ cout<<"B"; }else if(70<=a<80){ cout<<"C"; }else if(60<=a<70){ cout<<"D"; }else if(a<60){ cout<<"E" } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:12:19: warning: comparison of constant '90' with boolean expression is always true [-Wbool-compare]
     }else if(80<=a<90){
                   ^
Main.cc:12:16: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
     }else if(80<=a<90){
                ^
Main.cc:14:19: warning: comparison of constant '80' with boolean expression is always true [-Wbool-compare]
     }else if(70<=a<80){
                   ^
Main.cc:14:16: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
     }else if(70<=a<80){
                ^
Main.cc:16:19: warning: comparison of constant '70' with boolean expression is always true [-Wbool-compare]
     }else if(60<=a<70){
                   ^
Main.cc:16:16: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
     }else if(60<=a<70){
                ^
Main.cc:20:5: error: expected ';' before '}' token
     }
     ^