題目:
https://onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=4379
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| #include <bits/stdc++.h>
using namespace std;
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
int n, r;
while(cin >> n >> r){
int arr[n+1];
for(int i=1; i<=n; ++i) arr[i] = 1;
int now;
for(int i=1; i<=r; ++i){
cin >> now;
arr[now] = -1;
}
if(n == r){
cout << "*\n";
continue;
}
for(int i=1; i<=n; ++i){
if(arr[i] == 1) cout << i << ' ';
}
cout << '\n';
}
return 0;
}
|
