Submission #763511

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
763511	2023-06-22 11:45:14	raysh07	Catfish Farm (IOI22_fish)	C++17	100 / 100	887 ms	179676 KiB

fish

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#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
#define INF (long long)(1e18)
 
const int N = 1e5 + 69;
vector <int> ok[N];
map <int, long long> a[N];
unordered_map <int, long long> ac[N];
unordered_map <int, long long> dp[N][2];
vector <int> opt[N];
 
long long val(int i, int j){
    int idx = upper_bound(ok[i].begin(), ok[i].end(), j) - ok[i].begin() - 1;
    assert(idx >= 0);
    return ac[i][ok[i][idx]];
}
 
long long max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w) {
    for (int i = 0; i < m; i++){
        a[x[i] + 1][y[i] + 1] = w[i];
        ok[x[i] + 1].push_back(y[i] + 1);
    }
    ok[0].push_back(0);
    a[0][0] = 0;
    ok[n + 1].push_back(0);
    a[n + 1][0] = 0;
    ok[n + 2].push_back(0);
    a[n + 2][0] = 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:71:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |             while (pt != opt[i - 1].size() && opt[i - 1][pt] <= 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