Submission #162332

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
162332	2019-11-07 15:15:35	popovicirobert	The Big Prize (IOI17_prize)	C++14	20 / 100	137 ms	508 KiB

prize

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#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
int find_best(int n) {
    srand(time(NULL));
    auto myrand = [&]() {
        return (1LL * (1LL << 15) * rand() ^ rand()) % n;
    };
    vector <bool> vis(n);
    int i, mx = 0;
    for(i = 0; i < 15 && i < n; i++) {
        int cur = myrand();
        while(vis[cur]) {
            cur = myrand();
        }
        vector <int> a = ask(cur);
        mx = max(mx, a[0] + a[1]);
        vis[cur] = 1;
    }
    int num = n - mx;
    i = 0;
    while(i < n) {
        vector <int> a = ask(i);
        if(a[0] + a[1] == 0) {
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 0 / 80