Submission #1250291

#	Time	Username	Problem	Language	Result	Execution time	Memory
1250291		gotkako	Souvenirs (IOI25_souvenirs)	C++20	39 / 100	11 ms	412 KiB

souvenirs

#include "souvenirs.h"
#include <bits/stdc++.h>
using namespace std;

void buy_souvenirs(int N, long long P0) {
    auto [buy,left] = transaction(P0-1);
    if(N == 2) return;
    if(N == 3){
        long long use = P0-1-left;
        if(buy.size() == 1){
            transaction(use-1);
            transaction(use-1);
        }
        else transaction(use/2);
        return;
    }
    int last = 0;
    for(int i=1; i<N-1; i++){
        long long use = P0-1-left;
        if(buy.size() == 1){
            for(int k=0; k<i-1; k++) transaction(use);
            P0 = use;
        }
        else{
            last++; use--;
            for(int k=0; k<i-1; k++) transaction(use);
            P0 = use;
        }
        tie(buy,left) = transaction(P0-1);
    }
    {
        last++;
        long long use = P0-1-left;
        for(int k=last; k<N-1; k++) transaction(use);
    }
    return;
}

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