제출 #1114960

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1114960	2024-11-19 21:01:00	epicci23	카니발 티켓 (IOI20_tickets)	C++17	컴파일 에러	0 ms	0 KiB

tickets

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#include "bits/stdc++.h"
#include "tickets.h"
#define ll long long
#define all(v) v.begin() , v.end()
#define sz(a) (ll)a.size()
using namespace std;
const ll N = 2500;
ll find_maximum(int _k, vector<vector<int>> _x){
  ll n=sz(_x),m=sz(_x[0]),k=_k;
  ll ar[n+5][m+5],l[n+5],r[n+5],ans=0;
  vector<vector<int>> ANS(n,vector<int>(m,-1));
  for(ll i=1;i<=n;i++) for(ll j=1;j<=m;j++) ar[i][j] = _x[i-1][j-1];
  vector<int> cnt[n+5][2];
  for(int i=1;i<=n;i++){
    for(int j=1;j<=m;j++) cnt[i][ar[i][j]].push_back(j);
  }
  vector<int> hm;
  for(int i=1;i<=n;i++) hm.push_back(i);
  for(int i=0;i<k;i++){
   int p = n;
   sort(all(hm),[&](int a,int b){
     return sz(cnt[a][1]) > sz(cnt[b][1]);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:46:18: error: could not convert 'cnt[c][0]' from 'std::vector<int>' to 'bool'
   46 |       if(cnt[c][0]){
      |          ~~~~~~~~^
      |                  |
      |                  std::vector<int>
tickets.cpp:12:19: warning: unused variable 'l' [-Wunused-variable]
   12 |   ll ar[n+5][m+5],l[n+5],r[n+5],ans=0;
      |                   ^
tickets.cpp:12:26: warning: unused variable 'r' [-Wunused-variable]
   12 |   ll ar[n+5][m+5],l[n+5],r[n+5],ans=0;
      |                          ^