使用MS Visual Studio 2019 C ++的Codeforce上的编译错误

由么么哒发布于 2020-05-24 01:20:10

#include <iostream>

using namespace std;

int main() { //Main Function

int w;
cout << "enter the weight of the watermelon: ";
cin >> w;

if (w <= 1 or w >= 100) {
cout << "error";
}

else {
if (w % 2 == 0) {
cout << "YES";
}
else {
cout << "NO";
}
}
return 0;

编译错误：

 syntax error: missing ')' before identifier 'or'
 error C2065: 'or': undeclared identifier
 error C2146: syntax error: missing ';' before identifier 'w'
 error C2059: syntax error: ')'
 error C2059: syntax error: ';'
 error C2059: syntax error: 'else'
 error C2143: syntax error: missing ';' before '{'
 error C2447: '{': missing function header (old-style formal list?)
 error C2059: syntax error: 'return'
 error C2059: syntax error: '}'
 error C2143: syntax error: missing ';' before '}'

情流感

2020-05-24 01:20:11

There is no or native operator in C++ ... unless you would define it. Use the logical || instead.

#include <iostream>

using namespace std;

int main() { //Main Function
    int w;
    cout << "enter the weight of the watermelon: ";
    cin >> w;

    if (w <= 1 || w >= 100) { //use the logical or ||
        cout << "error";
    }
    else
    {
        if (w % 2 == 0) {
            cout << "YES";
        }
        else {
            cout << "NO";
        }
    }
    return 0;
}

么么哒

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