Submission #1286487

#TimeUsernameProblemLanguageResultExecution timeMemory
1286487nataliaaSouvenirs (IOI25_souvenirs)C++20
25 / 100
13 ms400 KiB
#include "souvenirs.h"
#include<bits/stdc++.h>
using namespace std;
void buy_souvenirs(int N, long long P0) {
	if(N==2){pair<vector<int>, long long> res = transaction(P0-1);return;}
	if(N==3) {
		pair<vector<int>, long long> res = transaction(P0-1);
		if(res.first.size()==1) {
			transaction(P0-2-res.second);
			
			transaction(P0-2-res.second);
		}
		else {
			transaction((P0-1-res.second)/2);
		}
		return;
	}
	if(P0==N){
		for(int i = 1; i <N; i++) {
		for(int j = 1; j<=i; j++) {
			pair<vector<int>, long long> res = transaction(P0-i);
		}
	}
	return;
	}
	int cnt=0, p = P0-1;
	for(int i = 1; i < N-1; i++) {
		for(int j = 1; j<=i; j++) {
			pair<vector<int>, long long> res = transaction(p);
			if((int)res.first.size()>1) {
				cnt++; p--;
			}
			p-=res.second;
		}
		p--;
	}
	for(int i = cnt+1; i<N; i++) transaction(p);
}
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