Submission #632830

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
632830	2022-08-20 22:03:05	Olympia	Catfish Farm (IOI22_fish)	C++17	44 / 100	843 ms	2097152 KiB

fish

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#include <bits/stdc++.h>
//#include <fish.h>
using namespace std;
int64_t max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
    for (int i = 0; i < X.size(); i++) {
        X[i]++;
    }
    int my = 0;
    for (int y: Y) {
        my = max(my, y);
    }
    my += 2;
    vector<pair<int,int64_t> > vec[N + 10];
    map<int,int64_t> s[N + 10];
    for (int i = 0; i < X.size(); i++) {
        vec[X[i]].push_back(make_pair(Y[i], W[i]));
        s[X[i]][Y[i]] = W[i];
    }
    int64_t pref[N + 10][my + 2];
    for (int i = 0; i <= N + 9; i++) {
        pref[i][0] = 0;
        for (int j = 1; j <= my + 1; j++) {
            pref[i][j] = pref[i][j - 1];
            if (s[i].count(j - 1)) pref[i][j] += s[i][j - 1];
        }
    }
    int64_t dp[N + 1][my + 1][3];
    for (int i = 0; i <= N; i++) {
        for (int j = 0; j <= my; j++) {
            for (int d = 0; d < 3; d++) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

fish.cpp: In function 'int64_t max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:5:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 |     for (int i = 0; i < X.size(); i++) {
      |                     ~~^~~~~~~~~~
fish.cpp:15:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     for (int i = 0; i < X.size(); i++) {
      |                     ~~^~~~~~~~~~

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