#19663: #include<iostream> using namespace std; int main(int argc, char** argv){ int a; cin>>a; a=-a+1; cout
b19@apps.ntpc.edu.tw
(小帳)
#include<iostream>
using namespace std;
int main(int argc, char** argv){
int a;
cin>>a;
a=-a+1;
cout<<a;
}