Submission #78627

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
78627	2018-10-06 18:01:20	Vardanyan	Aliens (IOI07_aliens)	C++14	100 / 100	4 ms	572 KiB

aliens

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#include <bits/stdc++.h>
using namespace std;
bool ask(long long x,long long y){
    cout<<"examine "<<x<<" "<<y<<endl;
    fflush(stdout);
    string s;
    cin>>s;
    if(s == "true") return true;
    return false;
}
int main(){
    long long n,x0,y0;
    cin>>n>>x0>>y0;
    long long jmp = 1;
    long long l,r,up,down;
    while(1){
        if(x0+jmp<=n){
            if(ask(x0+jmp,y0)){
                jmp*=2;
                continue;
            }
            break;
        }
        else break;
    }
    long long x0_right = x0+jmp;
    long long lo = x0;
    long long hi = x0_right;
    r = x0;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10