#include <iostream>
#include <complex>
#include <iomanip>
#include <vector>
#include <algorithm>
#include <functional>
#include <bitset>
#include <queue>
#include <map>
#include <stack>
#include <cmath>
#include <cstdint>
//#include "fish.h"
using namespace std;
#pragma GCC optimize("O3")
#define endl '\n'
#define db double
#define ll long long
#define pb push_back
#define fs first
#define sd second
#define Mod long(1e9 + 7)
#define all(x) x.begin(), x.end()
#define unvisited long(-1)
#define Eps double(1e-9)
#define _for(i, n) for(int i = 0; i < (n); i++)
#define dbg(x) cout << #x ": " << x << endl;
const int Max = 1e6 + 7, Inf = 1e9 + 7;
void print(bool x) { cout << (x ? "YES" : "NO") << endl; }
string tostring (__int128 x)
{
string ans = "";
while(x > 0)
{
ans += (x % 10 + '0');
x /= 10;
}
reverse(all(ans));
return ans;
}
vector <vector<pair<ll, ll>>> v;
//vector <vector<int>> mp;
int N, mp[3007][3007];
ll C(int i, int j, int k)
{
if(i >= 0 && i < N)
return max(0LL, v[i][mp[i][j]].sd - v[i][mp[i][k]].sd);
else
return 0LL;
}
void add(int i, int y, int w)
{
if(i < 0 || i >= N)
return;
if(mp[i][y] == 0){
v[i].push_back({ y, 0 });
mp[i][y] = v[i].size();
}
v[i][mp[i][y] - 1].sd += w;
}
long long max_weights(int n, int m, vector<int> X, vector<int> Y, vector<int> W)
{
v.clear(); //mp.clear();
v.assign(n + 7, vector <pair<ll, ll>> ());
//mp.assign(n + 1, vector <int> (n + 1, 0));
N = n;
for(int i = 0; i < m; i++){
//v[X[i]][Y[i]+1].sd = W[i];
add(X[i], Y[i]+1, W[i]);
add(X[i] - 2, Y[i]+1, 0);
add(X[i] - 1, Y[i]+1, 0);
add(X[i] + 1, Y[i]+1, 0);
add(X[i] + 2, Y[i]+1, 0);
//v[X[i]].push_back({ Y[i] + 1, W[i] });
//if(X[i] > 0) v[X[i]-1].push_back({ Y[i] + 1, 0 });
//if(X[i] > 1) v[X[i]-2].push_back({ Y[i] + 1, 0 });
//if(X[i] < n) v[X[i]+1].push_back({ Y[i] + 1, 0 });
//if(X[i] < n) v[X[i]+2].push_back({ Y[i] + 1, 0 });
}
for(int i = 0; i < n; i++)
{
v[i].push_back({ 0, 0 }); sort(all(v[i]));
for(int j = 0; j < (int) v[i].size(); j++){
if (j != 0) v[i][j].sd += v[i][j-1].sd;
mp[i][v[i][j].fs] = j;
}
}
vector <vector<ll>> dp1, dp2; ll ans = 0;
for(int i = 0; i < n; i++)
{
dp1.push_back(vector <ll> (v[i].size(), 0));
dp2.push_back(vector <ll> (v[i].size(), 0));
for(int j = 0; j < (int) v[i].size(); j++)
{
int hj = v[i][j].fs;
dp1[i][j] = C(i-1, hj, 0) + C(i+1, hj, 0);
dp2[i][j] = C(i-1, hj, 0) + C(i+1, hj, 0);
if(i > 1){
for(int k = 0; k < (int) v[i-2].size(); k++){
int hk = v[i-2][k].fs;
dp1[i][j] = max(dp1[i][j], (i > 1 ? dp2[i-2][k] : 0LL) + C(i-1, hj, hk) + C(i+1, hj, 0));
}
}
if(i > 0){
/*for(int k = 0; k < (int) v[i-1].size(); k++){
int hk = v[i-1][k].fs;
dp1[i][j] = max(dp1[i][j], (i != 0 ? dp1[i-1][k] : 0) + C(i-1, hj, hk) + C(i+1, hj, 0) - C(i, hk, 0));
}*/
for(int k = 0; k < (int) v[i-1].size(); k++){
int hk = v[i-1][k].fs;
dp2[i][j] = max(dp2[i][j], (i != 0 ? dp1[i-1][k] : 0) - C(i, hj, 0) + C(i+1, hj, 0));
dp2[i][j] = max(dp2[i][j], (i != 0 ? dp2[i-1][k] : 0) - C(i, hj, 0) + C(i+1, hj, 0));
}
}
ans = max(ans, max(dp1[i][j], dp2[i][j]));
}
if(i > 1)
{
ll k = 0, mx = 0, tmp = 0;
for(k = 0; k < (int) v[i-2].size(); k++){
tmp = max(tmp, dp2[i-2][k]);
}
for(int j = 0; j < (int) v[i].size(); j++)
{
int hj = v[i][j].fs;
for(k; k < (int) v[i-2].size(); k++)
{
if(v[i-2][k].fs <= v[i][j].fs)
{
int hk = v[i-2][k].fs, hx = v[i-2][mx].fs;
ll val1 = dp2[i-2][mx] + C(i-1, hj, hx) + C(i+1, hj, 0);
ll val2 = dp2[i-2][k] + C(i-1, hj, hk) + C(i+1, hj, 0);
if(val1 < val2){
mx = k;
}
} else break;
}
int hx = v[i-2][mx].fs;
dp1[i][j] = max(dp1[i][j], dp2[i-2][mx] + C(i-1, hj, hx) + C(i+1, hj, 0));
dp1[i][j] = max(dp1[i][j], tmp + C(i+1, hj, 0));
ans = max(ans, dp1[i][j]);
}
}
if(i > 0)
{
ll k = v[i-1].size() - 1, mx = 0;
for(int j = (int) v[i].size() - 1; j >= 0; j--)
{
int hj = v[i][j].fs;
for(k; k >= 0; k--){
if(v[i-1][k].fs >= v[i][j].fs){
mx = max(mx, dp1[i-1][k]);
mx = max(mx, dp2[i-1][k]);
} else break;
}
dp2[i][j] = max(dp2[i][j], mx - C(i, hj, 0) + C(i+1, hj, 0));
ans = max(ans, max(dp1[i][j], dp2[i][j]));
}
ll tmp = 0;
for(k = 0; k < (int) v[i-1].size(); k++){
int hk = v[i-1][k].fs;
tmp = max(tmp, dp1[i-1][k] - C(i, hk, 0));
}
k = 0; mx = 0;
for(int j = 0; j < (int) v[i].size(); j++)
{
int hj = v[i][j].fs;
for(k; k < (ll) v[i-1].size(); k++)
{
if(v[i-1][k].fs <= v[i][j].fs)
{
int hk = v[i-1][k].fs, hx = v[i-1][mx].fs;
ll val1 = dp1[i-1][mx] + C(i-1, hj, hx) + C(i+1, hj, 0) - C(i, hx, 0);
ll val2 = dp1[i-1][k] + C(i-1, hj, hk) + C(i+1, hj, 0) - C(i, hk, 0);
if(val1 < val2){
mx = k;
}
} else break;
}
int hx = v[i-1][mx].fs;
dp1[i][j] = max(dp1[i][j], dp1[i-1][mx] + C(i-1, hj, hx) + C(i+1, hj, 0) - C(i, hx, 0));
dp1[i][j] = max(dp1[i][j], tmp + C(i+1, hj, 0));
ans = max(ans, max(dp1[i][j], dp2[i][j]));
}
}
}
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:129:25: warning: unused variable 'hk' [-Wunused-variable]
129 | int hk = v[i-1][k].fs;
| ^~
fish.cpp:150:21: warning: statement has no effect [-Wunused-value]
150 | for(k; k < (int) v[i-2].size(); k++)
| ^
fish.cpp:179:21: warning: statement has no effect [-Wunused-value]
179 | for(k; k >= 0; k--){
| ^
fish.cpp:203:21: warning: statement has no effect [-Wunused-value]
203 | for(k; k < (ll) v[i-1].size(); k++)
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
61 ms |
47984 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Runtime error |
97 ms |
51912 KB |
Execution killed with signal 11 |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
33 ms |
38232 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
352 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
352 KB |
Output is correct |
| 8 |
Correct |
1 ms |
352 KB |
Output is correct |
| 9 |
Correct |
1 ms |
1124 KB |
Output is correct |
| 10 |
Correct |
2 ms |
1884 KB |
Output is correct |
| 11 |
Correct |
1 ms |
1116 KB |
Output is correct |
| 12 |
Correct |
2 ms |
1632 KB |
Output is correct |
| 13 |
Correct |
0 ms |
604 KB |
Output is correct |
| 14 |
Correct |
1 ms |
1632 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
352 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
352 KB |
Output is correct |
| 8 |
Correct |
1 ms |
352 KB |
Output is correct |
| 9 |
Correct |
1 ms |
1124 KB |
Output is correct |
| 10 |
Correct |
2 ms |
1884 KB |
Output is correct |
| 11 |
Correct |
1 ms |
1116 KB |
Output is correct |
| 12 |
Correct |
2 ms |
1632 KB |
Output is correct |
| 13 |
Correct |
0 ms |
604 KB |
Output is correct |
| 14 |
Correct |
1 ms |
1632 KB |
Output is correct |
| 15 |
Correct |
1 ms |
1892 KB |
Output is correct |
| 16 |
Correct |
3 ms |
864 KB |
Output is correct |
| 17 |
Correct |
134 ms |
5868 KB |
Output is correct |
| 18 |
Correct |
115 ms |
5044 KB |
Output is correct |
| 19 |
Correct |
102 ms |
5724 KB |
Output is correct |
| 20 |
Correct |
60 ms |
4956 KB |
Output is correct |
| 21 |
Correct |
55 ms |
4820 KB |
Output is correct |
| 22 |
Correct |
191 ms |
8028 KB |
Output is correct |
| 23 |
Incorrect |
34 ms |
3412 KB |
1st lines differ - on the 1st token, expected: '3061077668538', found: '3051082366309' |
| 24 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
352 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
352 KB |
Output is correct |
| 8 |
Correct |
1 ms |
352 KB |
Output is correct |
| 9 |
Correct |
1 ms |
1124 KB |
Output is correct |
| 10 |
Correct |
2 ms |
1884 KB |
Output is correct |
| 11 |
Correct |
1 ms |
1116 KB |
Output is correct |
| 12 |
Correct |
2 ms |
1632 KB |
Output is correct |
| 13 |
Correct |
0 ms |
604 KB |
Output is correct |
| 14 |
Correct |
1 ms |
1632 KB |
Output is correct |
| 15 |
Correct |
1 ms |
1892 KB |
Output is correct |
| 16 |
Correct |
3 ms |
864 KB |
Output is correct |
| 17 |
Correct |
134 ms |
5868 KB |
Output is correct |
| 18 |
Correct |
115 ms |
5044 KB |
Output is correct |
| 19 |
Correct |
102 ms |
5724 KB |
Output is correct |
| 20 |
Correct |
60 ms |
4956 KB |
Output is correct |
| 21 |
Correct |
55 ms |
4820 KB |
Output is correct |
| 22 |
Correct |
191 ms |
8028 KB |
Output is correct |
| 23 |
Incorrect |
34 ms |
3412 KB |
1st lines differ - on the 1st token, expected: '3061077668538', found: '3051082366309' |
| 24 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
33 ms |
38232 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
61 ms |
47984 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
