历届试题—错误票据

#include <iostream> #include <algorithm> using namespace std; int main() { int n,num,i=0,a[10010];cin>>n; while(n--){ while(cin>>num) a[i++]=num; } sort(a,a+i); int res,ans; for(int j=0;j<i;j++){ if(a[j] == a[j+1] -2) res=a[j]+1; if(a[j]==a[j+1]) ans=a[j]; } cout<<res<<" "<<ans<<endl; return 0; }