Submission #1260992

#	Time	Username	Problem	Language	Result	Execution time	Memory
1260992		robijoy	Souvenirs (IOI25_souvenirs)	C++20	3 / 100	11 ms	412 KiB

souvenirs

/*
 *   Starting with the name of almighty ALLAH
 */
#include "souvenirs.h"
#include <bits/stdc++.h>

using namespace std;


// int N = 6;
// vector<long long> P = {30, 29, 28, 27, 26, 24};
// vector<int> Q(N);

// pair<vector<int>, long long> transaction(long long M) {
//   vector<int> L;
//   long long R = M;
//   for (int i = 0; i < N; i++) {
//     if (R >= P[i]) {
//       R -= P[i];
//       Q[i]++;
//       L.push_back(i);
//     }
//   }
//   return {L, R};
// }

void buy_souvenirs(int N, long long P0) {
    vector<int> left(N),P(N);
    for(int i = 0; i < N; ++i) left[i] = i;

    P[0] = P0;
    
    for (int i = 1; i < N; ++i)
    {
        pair<vector<int>,long long> res = transaction(P[i-1]-1);
        if(res.first.size() == 1) {
            int ret = res.second;
            P[i] = (P[i-1] - 1 - ret);
            left[i]--;
        } else {
            int ret = res.second;
            P[i] = (P[i-1] - 1 - ret);
            left[N-1]--;
            left[P[i]]--;
            P[N-1] = 1;
        }
    }
    for (int i = 0; i < left.size(); ++i)
    {
        int x = left[i];
        for (int j = 0; j < x; ++j)
        {
            transaction(P[i]);
        }
    }
}

// int main() {
//     buy_souvenirs(6,30);
// }

• Subtask 0: 0 / 0
• Subtask 1: 0 / 4
• Subtask 2: 3 / 3
• Subtask 3: 0 / 14
• Subtask 4: 0 / 18
• Subtask 5: 0 / 28
• Subtask 6: 0 / 33