Submission #1112527

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1112527	2024-11-14 09:32:05	starchan	Catfish Farm (IOI22_fish)	C++17	100 / 100	163 ms	51164 KiB

fish

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#include "fish.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define in array<int, 2>
#define iln array<ll, 2>
#define pb push_back
#define pob pop_back
const ll INF = 1e17;
ll max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w)
{
  vector<in> loc[n+1];//loc[i][k] = kth from bottom in ith column.
  for(auto &s: x) s++;
  for(auto &s: y) s++;
  for(int i = 1; i <= n; i++)
    loc[i].pb({0, 0});
  for(int i = 0; i < m; i++)
    loc[x[i]].pb({y[i], w[i]});
  //pre-processing done.
  
  vector<array<ll, 4>> dp[n+1];
  vector<ll> pref[n+1];
  ll DP[n+1];
  for(int i = 1; i <= n; i++)
  {
    sort(loc[i].begin(), loc[i].end()); loc[i].pb({n+1, 0});
 
 
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Compilation message (stderr)

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:32:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |   for(int j = 1; j < loc[i].size(); j++)
      |                  ~~^~~~~~~~~~~~~~~
fish.cpp:62:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |   for(int j = 1; j < loc[i].size(); j++)
      |                  ~~^~~~~~~~~~~~~~~
fish.cpp:65:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |    while(((Dd+1) < loc[i-1].size()) && (loc[i-1][Dd+1][0] < loc[i][j][0]))
      |           ~~~~~~~^~~~~~~~~~~~~~~~~
fish.cpp:73:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |   for(int j = 1; j < loc[i].size(); j++)
      |                  ~~^~~~~~~~~~~~~~~

• Subtask 1: 3 / 3
• Subtask 2: 6 / 6
• Subtask 3: 9 / 9
• Subtask 4: 14 / 14
• Subtask 5: 21 / 21
• Subtask 6: 17 / 17
• Subtask 7: 14 / 14
• Subtask 8: 16 / 16