Submission #886631

#	Time	Username	Problem	Language	Result	Execution time	Memory
886631		Macker	Aliens (IOI07_aliens)	C++17	0 / 100	1 ms	344 KiB

aliens

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
#define all(v) v.begin(), v.end()

int main()
{
    int bx, by, n; cin >> n >> bx >> by;
    int mid;
    int up = 1, lup = 0;
    while(true){
        cout << "examine " << bx << " " << by + up << endl;
        string s; cin >> s;
        if(s == "false"){
            break;
        }
        lup = up;
        up *= 2;
    }
    while(lup < up){
        mid = (lup + up + 1) / 2;
        cout << "examine " << bx << " " << by + mid << endl;
        string s; cin >> s;
        if(s == "false") up = mid - 1;
        else lup = mid;
    }

    int dw = 1, ldw = 0;
    while(true){
        cout << "examine " << bx << " " << by - dw << endl;
        string s; cin >> s;
        if(s == "false"){
            break;
        }
        ldw = dw;
        dw *= 2;
    }
    while(ldw < dw){
        mid = (ldw + dw + 1) / 2;
        cout << "examine " << bx << " " << by - mid << endl;
        string s; cin >> s;
        if(s == "false") dw = mid - 1;
        else ldw = mid;
    }

    int lf = 1, llf = 0;
    while(true){
        cout << "examine " << bx + lf << " " << by << endl;
        string s; cin >> s;
        if(s == "false"){
            break;
        }
        llf = lf;
        lf *= 2;
    }
    while(llf < lf){
        mid = (llf + lf + 1) / 2;
        cout << "examine " << bx + mid << " " << by << endl;
        string s; cin >> s;
        if(s == "false") lf = mid - 1;
        else llf = mid;
    }

    cout << (up + dw) << " " << up << " " << lf << endl;
    by += up - (up + dw) / 2;
    bx += lf - (up + dw) / 2;

    int mxl = 0;
    for (int i = 1; i < 5; i++)
    {
        cout << "examine " << bx + (up + dw) * 2 * i << " " << by << endl;
        string s; cin >> s;
        if(s == "true") mxl = i;
        else break;
    }
    int mxu = 0;
    for (int i = 1; i < 5; i++)
    {
        cout << "examine " << bx << " " << by + (up + dw) * 2 * i << endl;
        string s; cin >> s;
        if(s == "true") mxu = i;
        else break;
    }
    int mxd = 0;
    for (int i = 1; i < 5; i++)
    {
        cout << "examine " << bx << " " << by - (up + dw) * 2 * i << endl;
        string s; cin >> s;
        if(s == "true") mxd = i;
        else break;
    }
    if(mxd + mxu == 1) {
        if(mxd == 1) by -= (up + dw);
        else by += (up + dw);
        if(mxl == 1) bx += (up + dw);
        else bx -= (up + dw);
    }
    else {
        if(mxd == 2) by -= (up + dw) * 2;
        if(mxd == 0) by += (up + dw) * 2;
        if(mxl == 2) bx += (up + dw) * 2;
        if(mxl == 0) bx -= (up + dw) * 2;
    }

    cout << "solution " << bx << " " << by << endl;

}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10