제출 #839078

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
839078	2023-08-28 15:12:29	abczz	메기 농장 (IOI22_fish)	C++17	100 / 100	227 ms	42444 KiB

fish

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#include "fish.h"
#include <iostream>
#include <vector>
#include <algorithm>
#include <array>
#include <map>
#include <queue>
#define ll long long
using namespace std;
vector <array<ll, 2>> V[100000];
vector <ll> pre;
vector <array<ll, 3>> dp[100000];
long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,
                      std::vector<int> W) {
  ll f = -1e18, j, k, l, s = 0, t = 0, v, x, u, p = -1e18, mx, mx2, cur;
  map <ll, ll> mp;
  for (int i=0; i<M; ++i) {
    V[X[i]].push_back({Y[i], W[i]});
  }
  for (int i=0; i<N; ++i) {
    sort(V[i].begin(), V[i].end());
  }
  j = 0;
  s = 0;
  for (auto [y, w] : V[1]) {
    s += w;
    dp[0].push_back({y, 0, (ll)-1e18});
    f = max(f, s);
  }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:37:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |         while (j < V[i-2].size() && V[i-2][j][0] <= y) {
      |                ~~^~~~~~~~~~~~~~~
fish.cpp:50:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |         while (j < V[i-1].size() && V[i-1][j][0] <= y) {
      |                ~~^~~~~~~~~~~~~~~
fish.cpp:70:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |       while (j < V[i].size() && V[i][j][0] <= y) {
      |              ~~^~~~~~~~~~~~~
fish.cpp:74:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |       while (k < V[i-1].size() && V[i-1][k][0] <= y) {
      |              ~~^~~~~~~~~~~~~~~
fish.cpp:83:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |       while (j < V[i].size() && V[i][j][0] <= y) {
      |              ~~^~~~~~~~~~~~~
fish.cpp:87:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   87 |       while (k < V[i-1].size() && V[i-1][k][0] <= y) {
      |              ~~^~~~~~~~~~~~~~~
fish.cpp:91:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |       while (i != N-1 && l < V[i+1].size() && V[i+1][l][0] <= y) {
      |                          ~~^~~~~~~~~~~~~~~

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