# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
950814 |
2024-03-20T18:08:11 Z |
sysia |
Catfish Farm (IOI22_fish) |
C++17 |
|
1000 ms |
2097152 KB |
//Sylwia Sapkowska
#include <bits/stdc++.h>
#include "fish.h"
#pragma GCC optimize("O3", "unroll-loops")
using namespace std;
void __print(int x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << "'" << x << "'";}
void __print(const char *x) {cerr << '"' << x << '"';}
void __print(const string &x) {cerr << '"' << x << '"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ", "; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? ", " : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifdef LOCAL
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif
typedef long long ll;
typedef pair<int, int> T;
const ll oo = 1e18;
void ckmax(ll &a, ll b){
a = max(a, b);
}
ll max_weights(int n, int m, vector<int>x, vector<int>y, vector<int>w){
vector pref(n+1, vector<int>(n+1));
for (int i = 0; i<m; i++){
pref[x[i]+1][y[i]+1] = w[i];
}
for (int i = 1; i<=n; i++){
for (int j = 1; j<=n; j++){
pref[i][j] += pref[i][j-1];
}
}
vector dp(n+1, vector<ll>(3, -oo));
//dp[h][malejacy czy rosnacy][czy ita kolumna zostala ogarnieta]
dp[0][0] = 0;
for (int i = 1; i<=n; i++){
vector new_dp(n+1, vector<ll>(3, -oo));
//h = 0
//1) poprzednia miala dodatnie pole
for (int h = 1; h <= n; h++){
new_dp[0][2] = max(dp[h][1], dp[h][0]) + pref[i][h];
}
//2) poprzednia byla zerem
new_dp[0][0] = max(dp[0][2], dp[0][0]);
//h > 0
//1) poprzednia byla pusta
for (int h = 1; h <= n; h++){
new_dp[h][0] = max(dp[0][2], dp[0][0] + pref[i-1][h]);
}
//2) poprzednia cos miala miau
ll mx = -oo;
for (int h = 1; h <= n; h++){
mx = max(mx, dp[h][0] - pref[i-1][h]);
ckmax(new_dp[h][0], mx+pref[i-1][h]);
ckmax(new_dp[h][1], mx+pref[i-1][h]);
}
mx = -oo;
for (int h = n; h >= 1; h--){
mx = max(mx, dp[h][1] + pref[i][h]);
ckmax(new_dp[h][1], mx - pref[i][h]);
}
debug(i);
for (int h = 0; h <= n; h++){
debug(h, new_dp[h]);
}
swap(dp, new_dp);
}
debug(dp);
ll ans = 0;
for (int h = 1; h <= n; h++){
for (int rep = 0; rep < 3; rep++){
ans = max(ans, dp[h][rep]);
}
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1106 ms |
1926336 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Runtime error |
842 ms |
2097152 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
712 ms |
2097152 KB |
Execution killed with signal 9 |
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 |
344 KB |
Output is correct |
3 |
Incorrect |
0 ms |
348 KB |
1st lines differ - on the 1st token, expected: '4044', found: '2022' |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Incorrect |
0 ms |
348 KB |
1st lines differ - on the 1st token, expected: '4044', found: '2022' |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Incorrect |
0 ms |
348 KB |
1st lines differ - on the 1st token, expected: '4044', found: '2022' |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
712 ms |
2097152 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1106 ms |
1926336 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |