Submission #1073327

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1073327	2024-08-24 12:32:34	mc061	Carnival Tickets (IOI20_tickets)	C++14	35 / 100	2799 ms	496980 KiB

tickets

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#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
const int mxN = 300+6;
bool have_c[mxN][mxN]={};
int64_t dp[mxN][mxN*mxN];
int64_t prv[mxN][mxN*mxN];
void allocate_tickets(std::vector<std::vector<int>> _x);
long long find_maximum(int k, std::vector<std::vector<int>> d) {
    srand(time(0));
    const int n = d.size(); //colors
    const int m = d[0].size(); //tickets per color
    for (int i = 0; i <= n; ++i) {
        for (int j = 0; j <= n*k/2; ++j) {
            dp[i][j] = -1e18;
        }
    }
    // vector<vector<int64_t>> dp(n+1, vector<int64_t>(n*k/2+1, -1e18));
    // vector<vector<int64_t>> prev(n+1, vector<int64_t>(n*k/2+1));
    dp[0][0] = 0;
    // vector<vector<int64_t>> dp(n+1, vector<int64_t>(n*k/2+1, -1e18));
    // vector<vector<int64_t>> prev(n+1, vector<int64_t>(n*k/2+1));
    // dp[0][0] = 0;
    vector<vector<int64_t>> val(n, vector<int64_t>(m+1, 0)); //what value gain by taking j with minus
    for (int i = 0; i < n; ++i) {
        int64_t res = 0;
        for (int j = m-1; j >= m-k; --j) {
 
 
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Compilation message (stderr)

tickets.cpp: In lambda function:
tickets.cpp:96:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   96 |         for (int i = 0; i < less.size(); ++i) {
      |                         ~~^~~~~~~~~~~~~
tickets.cpp:97:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   97 |             while (ptr < more.size() && used[ptr] == true) ++ptr;
      |                    ~~~~^~~~~~~~~~~~~
tickets.cpp:99:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   99 |             for (int j = ptr; j < more.size(); ++j) {
      |                               ~~^~~~~~~~~~~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 16
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 12 / 12
• Subtask 6: 23 / 23
• Subtask 7: 0 / 10