Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
73598 石晋骁 09能否赴约 C++ Compile Error 0 MS 0 KB 287 2024-05-19 14:12:01

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main() { int a; cin >> a; if (1<=a<=7) { if (a=1) { cout << "NO"; } else if(a=3) { cout << "NO"; } else if(a=5) { cout << "NO"; } else if { cout << "YES"; } } else { cout << "NO"; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:10: warning: comparison of constant '7' with boolean expression is always true [-Wbool-compare]
  if (1<=a<=7) {
          ^
Main.cc:6:7: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
  if (1<=a<=7) {
       ^
Main.cc:7:10: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   if (a=1) {
          ^
Main.cc:9:16: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   } else if(a=3) {
                ^
Main.cc:11:16: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   } else if(a=5) {
                ^
Main.cc:13:13: error: expected '(' before '{' token
   } else if {
             ^