#include "fish.h"
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define mp make_pair
#define fr first
#define sc second
#define all(x) x.begin(),x.end()
const int maxn = 1e5+10;
const int maxqh = 12;
const int inf = 1e18+10;
int n, m, dp[maxn][maxqh][maxqh], pf[maxn][maxn];
vector<pair<int,int>> fish[maxn]; // fishs from column i
vector<int> hr[maxn]; // important heights from column i, the ones that can be chosen
long long max_weights(int32_t N, int32_t M, vector<int32_t> X, vector<int32_t> Y, vector<int32_t> W) {
n = N;
m = M;
for(int i = 0; i < m; i++) {
fish[X[i]+1].pb(mp(Y[i]+1,W[i]));
hr[X[i]+1].pb(Y[i]);
}
for(int i = 0; i <= n; i++) {
hr[i].pb(0);
hr[i].pb(n);
sort(all(hr[i]));
sort(all(fish[i]));
hr[i].erase(unique(all(hr[i])),hr[i].end());
for(auto aux : fish[i]) {
int y = aux.fr;
int w = aux.sc;
pf[i][y]+= w;
}
// Do a prefix sum on the weight of the fishs
int it = 0;
for(int j = 1; j <= n; j++) {
pf[i][j]+= pf[i][j-1];
}
}
// dp[i][h1][h] = until i and with h[i-1] = hr[i-1][h1] and h[i] = hr[i][h-1]
// dp[1][0][x] = 0;
for(int i = 0; i < hr[i].size(); i++) dp[1][0][i] = 0;
for(int i = 2; i <= n; i++) {
for(int h1 = 0; h1 < hr[i-1].size(); h1++) {
for(int h = 0; h < hr[i].size(); h++) {
dp[i][h1][h] = 0;
int plus10 = 0; // fishs that 1 catchs in 0
// for(auto aux : fish[i]) {
// int y = aux.fr;
// int w = aux.sc;
// if(y > hr[i][h] && y <= hr[i-1][h1]) plus10+= w;
// }
plus10 = pf[i][hr[i-1][h1]]-pf[i][hr[i][h]];
for(int h2 = 0; h2 < hr[i-2].size(); h2++) {
int plus01 = 0; // fishs that 0 catchs in 1 and had not been caught by 2
for(auto aux : fish[i-1]) {
int y = aux.fr;
int w = aux.sc;
if(y > hr[i-1][h1] && y <= hr[i][h] && y > hr[i-2][h2]) plus01+= w;
}
dp[i][h1][h] = max(dp[i][h1][h],dp[i-1][h2][h1]+plus01 + plus10);
}
}
}
}
int ans = 0;
for(int h = 0; h < hr[n].size(); h++) {
for(int h1 = 0; h1 < hr[n-1].size(); h1++) {
ans = max(ans,dp[n][h1][h]);
}
}
return ans;
}
Compilation message
fish.cpp: In function 'long long int max_weights(int32_t, int32_t, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:41:13: warning: unused variable 'it' [-Wunused-variable]
41 | int it = 0;
| ^~
fish.cpp:50:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
50 | for(int i = 0; i < hr[i].size(); i++) dp[1][0][i] = 0;
| ~~^~~~~~~~~~~~~~
fish.cpp:52:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
52 | for(int h1 = 0; h1 < hr[i-1].size(); h1++) {
| ~~~^~~~~~~~~~~~~~~~
fish.cpp:53:30: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
53 | for(int h = 0; h < hr[i].size(); h++) {
| ~~^~~~~~~~~~~~~~
fish.cpp:65:36: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
65 | for(int h2 = 0; h2 < hr[i-2].size(); h2++) {
| ~~~^~~~~~~~~~~~~~~~
fish.cpp:80:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
80 | for(int h = 0; h < hr[n].size(); h++) {
| ~~^~~~~~~~~~~~~~
fish.cpp:81:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
81 | for(int h1 = 0; h1 < hr[n-1].size(); h1++) {
| ~~~^~~~~~~~~~~~~~~~
/usr/lib/gcc/x86_64-linux-gnu/10/libstdc++.a(vterminate.o): in function `__gnu_cxx::__verbose_terminate_handler()':
(.text._ZN9__gnu_cxx27__verbose_terminate_handlerEv+0x1e): relocation truncated to fit: R_X86_64_PC32 against `.bss._ZZN9__gnu_cxx27__verbose_terminate_handlerEvE11terminating'
(.text._ZN9__gnu_cxx27__verbose_terminate_handlerEv+0x2b): relocation truncated to fit: R_X86_64_PC32 against `.bss._ZZN9__gnu_cxx27__verbose_terminate_handlerEvE11terminating'
/usr/bin/ld: failed to convert GOTPCREL relocation; relink with --no-relax
collect2: error: ld returned 1 exit status