/* code by the cute PixelCat owo */
/* as cute as nacho neko (aka. my wife)! */
// #pragma GCC
// optimize("O4,unroll-loops,no-stack-protector")
#include <bits/stdc++.h>
#define int LL //__int128
#define double long double
using namespace std;
using LL = long long;
using uLL = unsigned long long;
using pii = pair<int, int>;
#define For(i, a, b) for (int i = a; i <= b; i++)
#define Fors(i, a, b, s) for (int i = a; i <= b; i += s)
#define Forr(i, a, b) for (int i = a; i >= b; i--)
#define F first
#define S second
#define L(id) (id * 2 + 1)
#define R(id) (id * 2 + 2)
#define LO(x) (x & (-x))
#define eb emplace_back
#define all(x) x.begin(), x.end()
#define sz(x) ((int)x.size())
#define mkp make_pair
// #define MOD (int)(998244353)
#define MOD (int)(1e9 + 7)
#define INF (int)(9000000000000000000ll) // 9e18
#define EPS (1e-6)
#ifdef NYAOWO
#include "library/debug.hpp"
inline void USACO(const string &s) {
cerr << "USACO: " << s << "\n";
}
#else
#define debug(...)
inline void timer() {}
inline void USACO(const string &s) {
freopen((s + ".in").c_str(), "r", stdin);
freopen((s + ".out").c_str(), "w", stdout);
}
#endif
inline void NYA() {
ios::sync_with_stdio(false);
cin.tie(0);
}
inline int gcd(int a, int b) {
return __gcd(a, b);
}
inline int lcm(int a, int b) {
return a / gcd(a, b) * b;
}
int fpow(int b, int p, const int &mod) {
int ans = 1;
while (p) {
if (p & 1) ans = ans * b % mod;
p /= 2;
b = b * b % mod;
}
return ans;
}
int fpow(int b, int p) {
return fpow(b, p, MOD);
}
template <typename T>
inline void chmin(T &_a, const T &_b) {
if (_b < _a) _a = _b;
}
template <typename T>
inline void chmax(T &_a, const T &_b) {
if (_b > _a) _a = _b;
}
// mt19937_64 rng(
// chrono::steady_clock::now().time_since_epoch().count());
const int MAXN=5010;
int a[MAXN];
int x[MAXN];
int c[MAXN];
int dp[MAXN][MAXN];
int32_t main() {
NYA();
// nyaacho >/////<
// miku sama bless me >/////<
int n; cin>>n;
vector<int> al;
For(i,1,n){
cin>>a[i]>>x[i]>>c[i];
al.eb(x[i]);
}
sort(all(al));
al.erase(unique(all(al)),al.end());
int m=sz(al);
For(i,1,n){
x[i]=upper_bound(all(al),x[i])-al.begin();
For(j,1,m) if(j!=x[i]) dp[i][j]=c[i];
}
Forr(i,n,2){
Forr(j,m-1,1) chmin(dp[i][j],dp[i][j+1]);
For(j,1,m) dp[a[i]][j]+=dp[i][j];
}
int ans=INF;
For(i,1,m) chmin(ans,dp[1][i]);
cout<<ans<<"\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
316 KB |
Output is correct |
5 |
Correct |
145 ms |
196544 KB |
Output is correct |
6 |
Correct |
13 ms |
24828 KB |
Output is correct |
7 |
Correct |
10 ms |
21384 KB |
Output is correct |
8 |
Correct |
156 ms |
196712 KB |
Output is correct |
9 |
Correct |
14 ms |
24836 KB |
Output is correct |
10 |
Correct |
10 ms |
21304 KB |
Output is correct |
11 |
Correct |
7 ms |
10896 KB |
Output is correct |
12 |
Correct |
139 ms |
196648 KB |
Output is correct |
13 |
Correct |
11 ms |
21340 KB |
Output is correct |
14 |
Correct |
138 ms |
196680 KB |
Output is correct |
15 |
Correct |
14 ms |
24840 KB |
Output is correct |
16 |
Correct |
142 ms |
196676 KB |
Output is correct |
17 |
Correct |
14 ms |
24896 KB |
Output is correct |
18 |
Correct |
7 ms |
11012 KB |
Output is correct |
19 |
Correct |
140 ms |
196676 KB |
Output is correct |
20 |
Correct |
13 ms |
24900 KB |
Output is correct |
21 |
Correct |
10 ms |
21144 KB |
Output is correct |
22 |
Correct |
153 ms |
196628 KB |
Output is correct |
23 |
Correct |
13 ms |
24896 KB |
Output is correct |
24 |
Correct |
148 ms |
196740 KB |
Output is correct |
25 |
Correct |
14 ms |
24904 KB |
Output is correct |
26 |
Correct |
135 ms |
196664 KB |
Output is correct |
27 |
Correct |
149 ms |
196676 KB |
Output is correct |
28 |
Correct |
156 ms |
196676 KB |
Output is correct |
29 |
Correct |
148 ms |
196676 KB |
Output is correct |
30 |
Correct |
137 ms |
196544 KB |
Output is correct |
31 |
Correct |
144 ms |
196728 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
316 KB |
Output is correct |
5 |
Correct |
145 ms |
196544 KB |
Output is correct |
6 |
Correct |
13 ms |
24828 KB |
Output is correct |
7 |
Correct |
10 ms |
21384 KB |
Output is correct |
8 |
Correct |
156 ms |
196712 KB |
Output is correct |
9 |
Correct |
14 ms |
24836 KB |
Output is correct |
10 |
Correct |
10 ms |
21304 KB |
Output is correct |
11 |
Correct |
7 ms |
10896 KB |
Output is correct |
12 |
Correct |
139 ms |
196648 KB |
Output is correct |
13 |
Correct |
11 ms |
21340 KB |
Output is correct |
14 |
Correct |
138 ms |
196680 KB |
Output is correct |
15 |
Correct |
14 ms |
24840 KB |
Output is correct |
16 |
Correct |
142 ms |
196676 KB |
Output is correct |
17 |
Correct |
14 ms |
24896 KB |
Output is correct |
18 |
Correct |
7 ms |
11012 KB |
Output is correct |
19 |
Correct |
140 ms |
196676 KB |
Output is correct |
20 |
Correct |
13 ms |
24900 KB |
Output is correct |
21 |
Correct |
10 ms |
21144 KB |
Output is correct |
22 |
Correct |
153 ms |
196628 KB |
Output is correct |
23 |
Correct |
13 ms |
24896 KB |
Output is correct |
24 |
Correct |
148 ms |
196740 KB |
Output is correct |
25 |
Correct |
14 ms |
24904 KB |
Output is correct |
26 |
Correct |
135 ms |
196664 KB |
Output is correct |
27 |
Correct |
149 ms |
196676 KB |
Output is correct |
28 |
Correct |
156 ms |
196676 KB |
Output is correct |
29 |
Correct |
148 ms |
196676 KB |
Output is correct |
30 |
Correct |
137 ms |
196544 KB |
Output is correct |
31 |
Correct |
144 ms |
196728 KB |
Output is correct |
32 |
Correct |
148 ms |
196680 KB |
Output is correct |
33 |
Runtime error |
5 ms |
1224 KB |
Execution killed with signal 11 |
34 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
320 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
316 KB |
Output is correct |
5 |
Correct |
145 ms |
196544 KB |
Output is correct |
6 |
Correct |
13 ms |
24828 KB |
Output is correct |
7 |
Correct |
10 ms |
21384 KB |
Output is correct |
8 |
Correct |
156 ms |
196712 KB |
Output is correct |
9 |
Correct |
14 ms |
24836 KB |
Output is correct |
10 |
Correct |
10 ms |
21304 KB |
Output is correct |
11 |
Correct |
7 ms |
10896 KB |
Output is correct |
12 |
Correct |
139 ms |
196648 KB |
Output is correct |
13 |
Correct |
11 ms |
21340 KB |
Output is correct |
14 |
Correct |
138 ms |
196680 KB |
Output is correct |
15 |
Correct |
14 ms |
24840 KB |
Output is correct |
16 |
Correct |
142 ms |
196676 KB |
Output is correct |
17 |
Correct |
14 ms |
24896 KB |
Output is correct |
18 |
Correct |
7 ms |
11012 KB |
Output is correct |
19 |
Correct |
140 ms |
196676 KB |
Output is correct |
20 |
Correct |
13 ms |
24900 KB |
Output is correct |
21 |
Correct |
10 ms |
21144 KB |
Output is correct |
22 |
Correct |
153 ms |
196628 KB |
Output is correct |
23 |
Correct |
13 ms |
24896 KB |
Output is correct |
24 |
Correct |
148 ms |
196740 KB |
Output is correct |
25 |
Correct |
14 ms |
24904 KB |
Output is correct |
26 |
Correct |
135 ms |
196664 KB |
Output is correct |
27 |
Correct |
149 ms |
196676 KB |
Output is correct |
28 |
Correct |
156 ms |
196676 KB |
Output is correct |
29 |
Correct |
148 ms |
196676 KB |
Output is correct |
30 |
Correct |
137 ms |
196544 KB |
Output is correct |
31 |
Correct |
144 ms |
196728 KB |
Output is correct |
32 |
Correct |
148 ms |
196680 KB |
Output is correct |
33 |
Runtime error |
5 ms |
1224 KB |
Execution killed with signal 11 |
34 |
Halted |
0 ms |
0 KB |
- |