Submission #527403

#	Time	Username	Problem	Language	Result	Execution time	Memory
527403		stefantaga	The Big Prize (IOI17_prize)	C++14	20 / 100	102 ms	328 KiB

prize

#include "prize.h"

using namespace std;

int find_best(int n) {
    for (int i = 0; i < n; ++ i ) {
        int left = i+1, right = n-1;
        vector <int> val = ask(i);

        int poz_right = i;
        if (val[0] + val[1] == 0) {
            return i;
        }
        while (left <= right) {
            int mid = (left + right) / 2;

            vector <int> cnt = ask(mid);

            bool Type = (cnt[0] + cnt[1] == val[0] + val[1]);

            if (Type) {
                int cate_sunt = cnt[0] - val[0];

                if (cate_sunt == 0) {
                    poz_right = mid;
                    left = mid + 1;
                }
                else right = mid - 1;
            }
            else {
                right = mid - 1;
            }
        }

        i = poz_right;
    }

    return n-1;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 80