oj.uz

Submission #417272

# Submission time Handle Problem Language Result Execution time Memory
417272 2021-06-03T14:13:13 Z jamezzz Worst Reporter 4 (JOI21_worst_reporter4) C++17
14 / 100
 845 ms 418760 KB 
#include <bits/stdc++.h>
using namespace std;

#define sf scanf
#define pf printf
#define fi first
#define se second
#define pb emplace_back
#define INF 1023456789123456789
#define all(x) x.begin(),x.end()
#define sz(x) (int)x.size()
typedef long long ll;

int n,a[200005],h[200005],c[200005];
ll m[5005][5005];
vector<int> AL[200005];

ll dp(int u,int p){ //modifed everything after p, before i
	if(m[u][p]!=-1)return m[u][p];
	ll res=INF;
	if(h[p]<=h[u]){ //dont need to modify
		ll tmp=0;
		for(int v:AL[u])tmp+=dp(v,u);
		res=min(res,tmp);
	}
	ll tmp=c[u];
	for(int v:AL[u])tmp+=dp(v,p);
	res=min(res,tmp);
	return m[u][p]=res;
}

int main(){
	sf("%d",&n);
	for(int i=1;i<=n;++i){
		sf("%d%d%d",&a[i],&h[i],&c[i]);
		if(i!=1)AL[a[i]].pb(i);
	}
	memset(m,-1,sizeof m);
	pf("%lld\n",dp(1,0));
}

/*
6
1 6 5
1 3 6
1 8 4
3 4 9
2 2 5
2 5 6

20
1 7 381792936
1 89 964898447
1 27 797240712
3 4 299745243
2 18 113181438
2 20 952129455
4 34 124298446
4 89 33466733
7 40 109601410
5 81 902931267
2 4 669879699
8 23 785166502
8 1 601717183
8 26 747624379
1 17 504589209
9 24 909134233
16 56 236448090
8 94 605526613
5 90 481898834
9 34 183442771
*/

Compilation message

worst_reporter2.cpp: In function 'int main()':
worst_reporter2.cpp:33:4: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |  sf("%d",&n);
      |    ^
worst_reporter2.cpp:35:5: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |   sf("%d%d%d",&a[i],&h[i],&c[i]);
      |     ^

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 201028 KB Output is correct
2 Correct 86 ms 201048 KB Output is correct
3 Correct 86 ms 201068 KB Output is correct
4 Correct 86 ms 201028 KB Output is correct
5 Correct 102 ms 201208 KB Output is correct
6 Correct 92 ms 201204 KB Output is correct
7 Correct 93 ms 201152 KB Output is correct
8 Correct 91 ms 201188 KB Output is correct
9 Correct 90 ms 201104 KB Output is correct
10 Correct 90 ms 201156 KB Output is correct
11 Correct 93 ms 201148 KB Output is correct
12 Correct 845 ms 201636 KB Output is correct
13 Correct 776 ms 201744 KB Output is correct
14 Correct 433 ms 201540 KB Output is correct
15 Correct 424 ms 201436 KB Output is correct
16 Correct 93 ms 201156 KB Output is correct
17 Correct 91 ms 201348 KB Output is correct
18 Correct 93 ms 201156 KB Output is correct
19 Correct 504 ms 201436 KB Output is correct
20 Correct 495 ms 201392 KB Output is correct
21 Correct 422 ms 201440 KB Output is correct
22 Correct 88 ms 201128 KB Output is correct
23 Correct 86 ms 201076 KB Output is correct
24 Correct 744 ms 201464 KB Output is correct
25 Correct 699 ms 201460 KB Output is correct
26 Correct 400 ms 201744 KB Output is correct
27 Correct 244 ms 201360 KB Output is correct
28 Correct 397 ms 201496 KB Output is correct
29 Correct 557 ms 201576 KB Output is correct
30 Correct 417 ms 201412 KB Output is correct
31 Correct 415 ms 201540 KB Output is correct

Subtask #2
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 201028 KB Output is correct
2 Correct 86 ms 201048 KB Output is correct
3 Correct 86 ms 201068 KB Output is correct
4 Correct 86 ms 201028 KB Output is correct
5 Correct 102 ms 201208 KB Output is correct
6 Correct 92 ms 201204 KB Output is correct
7 Correct 93 ms 201152 KB Output is correct
8 Correct 91 ms 201188 KB Output is correct
9 Correct 90 ms 201104 KB Output is correct
10 Correct 90 ms 201156 KB Output is correct
11 Correct 93 ms 201148 KB Output is correct
12 Correct 845 ms 201636 KB Output is correct
13 Correct 776 ms 201744 KB Output is correct
14 Correct 433 ms 201540 KB Output is correct
15 Correct 424 ms 201436 KB Output is correct
16 Correct 93 ms 201156 KB Output is correct
17 Correct 91 ms 201348 KB Output is correct
18 Correct 93 ms 201156 KB Output is correct
19 Correct 504 ms 201436 KB Output is correct
20 Correct 495 ms 201392 KB Output is correct
21 Correct 422 ms 201440 KB Output is correct
22 Correct 88 ms 201128 KB Output is correct
23 Correct 86 ms 201076 KB Output is correct
24 Correct 744 ms 201464 KB Output is correct
25 Correct 699 ms 201460 KB Output is correct
26 Correct 400 ms 201744 KB Output is correct
27 Correct 244 ms 201360 KB Output is correct
28 Correct 397 ms 201496 KB Output is correct
29 Correct 557 ms 201576 KB Output is correct
30 Correct 417 ms 201412 KB Output is correct
31 Correct 415 ms 201540 KB Output is correct
32 Correct 90 ms 201168 KB Output is correct
33 Runtime error 370 ms 418760 KB Execution killed with signal 11
34 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 201028 KB Output is correct
2 Correct 86 ms 201048 KB Output is correct
3 Correct 86 ms 201068 KB Output is correct
4 Correct 86 ms 201028 KB Output is correct
5 Correct 102 ms 201208 KB Output is correct
6 Correct 92 ms 201204 KB Output is correct
7 Correct 93 ms 201152 KB Output is correct
8 Correct 91 ms 201188 KB Output is correct
9 Correct 90 ms 201104 KB Output is correct
10 Correct 90 ms 201156 KB Output is correct
11 Correct 93 ms 201148 KB Output is correct
12 Correct 845 ms 201636 KB Output is correct
13 Correct 776 ms 201744 KB Output is correct
14 Correct 433 ms 201540 KB Output is correct
15 Correct 424 ms 201436 KB Output is correct
16 Correct 93 ms 201156 KB Output is correct
17 Correct 91 ms 201348 KB Output is correct
18 Correct 93 ms 201156 KB Output is correct
19 Correct 504 ms 201436 KB Output is correct
20 Correct 495 ms 201392 KB Output is correct
21 Correct 422 ms 201440 KB Output is correct
22 Correct 88 ms 201128 KB Output is correct
23 Correct 86 ms 201076 KB Output is correct
24 Correct 744 ms 201464 KB Output is correct
25 Correct 699 ms 201460 KB Output is correct
26 Correct 400 ms 201744 KB Output is correct
27 Correct 244 ms 201360 KB Output is correct
28 Correct 397 ms 201496 KB Output is correct
29 Correct 557 ms 201576 KB Output is correct
30 Correct 417 ms 201412 KB Output is correct
31 Correct 415 ms 201540 KB Output is correct
32 Correct 90 ms 201168 KB Output is correct
33 Runtime error 370 ms 418760 KB Execution killed with signal 11
34 Halted 0 ms 0 KB -