// Om Namah Shivaya
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template<typename T> using Tree = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define ff first
#define ss second
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define conts continue
#define sz(a) a.size()
#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)
template<typename T>
void amin(T &x, T y){
x = min(x,y);
}
template<typename T>
void amax(T &x, T y){
x = max(x,y);
}
#define debug(x) cout << #x << " = "; cout << x; cout << endl
const int MOD = 1e9 + 7;
const int N = 300 + 5;
const int inf1 = 1e9 + 5;
const ll inf2 = (ll)1e18 + 5;
const int M = N*N;
#include "fish.h"
vector<pll> here[N];
ll n;
vector<vector<ll>> dp[N];
long long max_weights(int n_, int m, std::vector<int> X, std::vector<int> Y,
std::vector<int> W) {
n = n_;
rep(i,m){
here[X[i]].pb({Y[i],W[i]});
}
rep(i,n){
sort(all(here[i]));
}
vector<ll> best(n);
rep(i,n){
auto &a = here[i];
ll siz = sz(a);
auto &dp1 = dp[i];
dp1 = vector<vector<ll>>(siz,vector<ll>(2));
ll mx = 0;
rep(j,i-1){
amax(mx,best[j]);
}
rep(j,siz){
if(j){
dp1[j][1] = dp1[j-1][1]+a[j].ss;
}
else{
dp1[j][1] = mx+a[j].ss;
}
if(i){
auto &b = here[i-1];
rep(j2,sz(b)){
if(a[i].ff > b[j2].ff){
amax(dp1[j][1],dp[i-1][j2][1]+a[j].ss);
}
}
}
}
if(i){
rev(j,siz-1,0){
if(j+1 < siz){
dp1[j][0] = dp1[j+1][0]+a[j].ss;
}
else{
dp1[j][0] = mx+a[j].ss;
}
if(i){
auto &b = here[i-1];
rep(j2,sz(b)){
if(a[i].ff < b[j2].ff){
amax(dp1[j][0],dp[i-1][j2][0]+a[j].ss);
}
}
}
}
}
else{
rep(j,siz){
dp1[j][0] = -inf2;
}
}
if(i){
best[i] = best[i-1];
}
rep(j,siz){
rep(k,2){
amax(best[i],dp1[j][k]);
}
}
}
ll ans = 0;
rep(i,n){
rep(j,sz(here[i])){
rep(k,2){
if(i == n-1 and k == 1) conts;
amax(ans,dp[i][j][k]);
}
}
}
return ans;
}
Compilation message
fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:26:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
26 | #define rep(i,n) for(int i = 0; i < n; ++i)
| ^
fish.cpp:89:17: note: in expansion of macro 'rep'
89 | rep(j2,sz(b)){
| ^~~
fish.cpp:26:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
26 | #define rep(i,n) for(int i = 0; i < n; ++i)
| ^
fish.cpp:109:21: note: in expansion of macro 'rep'
109 | rep(j2,sz(b)){
| ^~~
fish.cpp:26:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
26 | #define rep(i,n) for(int i = 0; i < n; ++i)
| ^
fish.cpp:138:9: note: in expansion of macro 'rep'
138 | rep(j,sz(here[i])){
| ^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
27 ms |
7084 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
212 KB |
1st lines differ - on the 1st token, expected: '2', found: '1' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
340 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
212 KB |
1st lines differ - on the 1st token, expected: '3', found: '2' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
212 KB |
1st lines differ - on the 1st token, expected: '3', found: '2' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
212 KB |
1st lines differ - on the 1st token, expected: '3', found: '2' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
340 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
27 ms |
7084 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
