Submission #731388

#	Time	Username	Problem	Language	Result	Execution time	Memory
731388		nguyentunglam	Art Collections (BOI22_art)	C++17	100 / 100	1713 ms	680 KiB

art

#include "art.h"
#include<bits/stdc++.h>
using namespace std;
const int N = 4010;
bool taken[N];
int query[N], cnt[N];

void solve(int n) {
    vector<int> ask, ret;
    for(int i = 1; i <= n; i++) ask.push_back(i);

    int init = publish(ask);

    for(int i = 2; i <= n; i++) {
        ask = {i};
        for(int j = 1; j <= n; j++) if (j != i) ask.push_back(j);
        query[i] = publish(ask);
        cnt[i] = i - 1;
    }

    for(int loop = 1; loop <= n; loop++) {
        int idx = 1;
        for(int i = 2; i <= n; i++) if (!taken[i] && init - cnt[i] == query[i]) idx = i;
        ret.push_back(idx);
        taken[idx] = 1;
        for(int i = idx + 1; i <= n; i++) cnt[i]--, query[i]--;
    }

    answer(ret);
}

Compilation message (stderr)

interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~

• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 30 / 30