Submission #785156

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
7851562023-07-17 06:22:11vjudge1Catfish Farm (IOI22_fish)C++17
100 / 100
121 ms25444 KiB
#include "fish.h"
#include<bits/stdc++.h>
using namespace std;
#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second
// #define int long long
typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;
template<typename T>
void mxx(T &a, T b) {
if(a < b) a = b;
}
long long max_weights(int n, int m, vector<int> X, vector<int> Y, vector<int> W) {
vector<vector<pair<int, long long>>> pos(n);
for(int i = 0; i < m; i++) {
pos[X[i]].eb(Y[i], W[i]);
}
 
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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:57:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |    while(l < pos[i - 1].size() && pos[i - 1][l].ff < pos[i][j].ff) {
      |          ~~^~~~~~~~~~~~~~~~~~~
fish.cpp:74:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |  for(int j = 0; j < pos.back().size(); j++) {
      |                 ~~^~~~~~~~~~~~~~~~~~~
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