Submission #1303981

#	Time	Username	Problem	Language	Result	Execution time	Memory
1303981		prism7k	선물 (IOI25_souvenirs)	C++20	18 / 100	1 ms	332 KiB

souvenirs

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

void buy_souvenirs(int N, long long P0) {
	
	vector<int> bought(N);
	
	/* WORKS FOR SUBTASK 3 */
	//~ long long M = P0 - 1;
	//~ for(int i = 1; i < N; ++i) {
		//~ auto res = transaction(M);
		//~ vector<int> b = res.first;
		//~ long long extra = res.second;
		//~ for(int idx : b) bought[idx]++;
		//~ if((int)b.size() == 2 || extra == 1) M--;
		//~ while(bought[i] < i) {
			//~ transaction(M);
			//~ bought[i]++;
		//~ }
		//~ M--;
	//~ }
	
	/* WORKS FOR SUBTASK 4 (N = 3) */
	long long M = P0 - 1;
	auto res = transaction(M);
	vector<int> b = res.first;
	long long extra = res.second;
	
	if((int)b.size() == 2) {
		long long p = (M - extra) / 2;
		transaction(p);
	} else {
		long long p = M - extra;
		transaction(p - 1);
		transaction(p - 1);
	}
	
}

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