Submission #627307

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
627307	2022-08-12 12:35:15	czhang2718	Catfish Farm (IOI22_fish)	C++17	100 / 100	210 ms	59896 KiB

fish

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#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
#define f first
#define s second
const int N=3e5+4;
int n,m;
vector<pair<int,int>> fish[N];
vector<ll> dp[N], dp1[N], inc[N];
long long max_weights(int n, int m, std::vector<int> X, std::vector<int> Y,
                      std::vector<int> W) {
    for(int i=0; i<m; i++){
        fish[X[i]+1].push_back({Y[i], W[i]});
    }
    for(int i=1; i<=n; i++){
        fish[i].push_back({0, 0});
        fish[i].push_back({n, 0});
        sort(fish[i].begin(), fish[i].end());
        int p=fish[i].size();
        if(p>1 && fish[i][1].f==fish[i][0].f) fish[i].erase(fish[i].begin());
    }
    int i=0;
    fish[i].push_back({0, 0});
    dp[i].resize(2);
    dp1[i].resize(2);
 
 
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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:43:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |             while(nxt.f<fish[i+1].size() && fish[i+1][nxt.f].f+1<=y){
      |                   ~~~~~^~~~~~~~~~~~~~~~~
fish.cpp:47:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |             while(prv.f<fish[i-1].size() && fish[i-1][prv.f].f+1<=y){
      |                   ~~~~~^~~~~~~~~~~~~~~~~

• 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