#21103: #@!%^


a1122331313 (a1122331313)

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ID : 115221
IP address : [61.61.86.235]
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2022-10-01 14:44:08
d277. 矩形对角线 | From: [61.61.86.235] | Post Date : 2020-04-11 16:14

#include <iostream> using namespace std; int main() { int a; while(cin>>a) { if(a%2==1) { cout<<a-1<<endl; } else { cout<<a<<endl; } } return 0; } 
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