Submission #1142858

#	Time	Username	Problem	Language	Result	Execution time	Memory
1142858		PagodePaiva	카니발 티켓 (IOI20_tickets)	C++20	Compilation error	0 ms	0 KiB

tickets

#include<bits/stdc++.h>
#include "tickets.h"
#include <vector>

using namespace std;

const int N = 1510;
int ans[N][N];
int l[N], r[N];

long long find_maximum(int k, std::vector<std::vector<int>> x) {
	int n = x.size();
	int m = x[0].size();
	std::vector<std::vector<int>> answer;
	vector <array <int, 3>> trip;
	for(int i = 0;i < n;i++){
		int qtd0 = 0, qtd1 = 0;
		l[i] = 0, r[i] = m-1;
		for(int j = 0;j < m;j++){
			if(x[i][j] == 0) qtd0++;
			else qtd1++;
		}
		trip.push_back({qtd0, qtd1, i});
	}
	memset(ans, -1, sizeof ans);
	int at = 0;
	long long res = 0;
	while(k > 0){
		int cnt0 = 0, cnt1 = 0;
		for(auto [a, b, c] : trip){
			if(a > 0) cnt0++;
			if(b > 0) cnt1++;
		}
		if(cnt0 > cnt1){
			for(auto &p : trip){
				if(p[0] > 0){
					ans[p[2]][l[p[2]]] = at;
					l[p[2]]++;
				}
				else{
					ans[p[2]][r[p[2]]] = at
					r[p[2]]--;
				}
			}
			at++;
			res += cnt1;
		}
		else{
			for(auto &p : trip){
				if(p[1] == 0){
					ans[p[2]][l[p[2]]] = at;
					l[p[2]]++;
				}
				else{
					ans[p[2]][r[p[2]]] = at
					r[p[2]]--;
				}
			}
			at++;
			res += cnt0;
		}
	}
	return res;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:41:64: error: expected ';' before 'r'
   41 |                                         ans[p[2]][r[p[2]]] = at
      |                                                                ^
      |                                                                ;
   42 |                                         r[p[2]]--;
      |                                         ~                       
tickets.cpp:55:64: error: expected ';' before 'r'
   55 |                                         ans[p[2]][r[p[2]]] = at
      |                                                                ^
      |                                                                ;
   56 |                                         r[p[2]]--;
      |                                         ~