oj.uz

Submission #391588

# Submission time Handle Problem Language Result Execution time Memory
391588 2021-04-19T12:10:49 Z keta_tsimakuridze Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
15 / 100
 150 ms 328388 KB 
#include<bits/stdc++.h>
#define f first
#define int long long
#define s second
using namespace std;
const int N=405,mod=1e16;
int t,dp[N][N][N][3],cnt[3],kth[3][N],aft[3][3][N][N],n;
string s;
 main(){
	// t=1;
	cin >> n;
	cin>>s;
	s='#'+s;
	for(int i=1;i<=n;i++){
		if(s[i]=='R') s[i]='0';
		else if(s[i]=='Y') s[i]='1';
		else s[i]='2';
		cnt[s[i]-'0']++;
		kth[s[i]-'0'][cnt[s[i]-'0']] = i;
	}
	for(int i=0;i<=2;i++){
		for(int j=0;j<=2;j++){
			if(i==j) continue;
			for(int k=0;k<=cnt[i];k++){
				for(int k1=1;k1<=cnt[j];k1++){
					aft[i][j][k][k1] = aft[i][j][k][k1-1] + (kth[j][k1] > kth[i][k]);
				}
			}
		}
	}
		for(int i=0;i<=n;i++){
		for(int j=0;j<=cnt[0];j++){
			for(int k=0;k<=cnt[1];k++){
				dp[i][j][k][0]=dp[i][j][k][1]=dp[i][j][k][2]=mod;
		}} }
	dp[0][0][0][0]=dp[0][0][0][1]=dp[0][0][0][2]=0;
	for(int i=1;i<=n;i++){
		for(int j=0;j<=cnt[0];j++){
			for(int k=0;k<=cnt[1];k++){
				if(i-k-j>cnt[2]) continue;
				if(j) dp[i][j][k][0] = min(dp[i-1][j-1][k][1],dp[i-1][j-1][k][2]) + kth[0][j] + aft[0][1][j][k] + aft[0][2][j][i-k-j] - i;
				if(k) dp[i][j][k][1] = min(dp[i-1][j][k-1][2],dp[i-1][j][k-1][0]) + kth[1][k] + aft[1][0][k][j] + aft[1][2][k][i-k-j] - i;
				if(i-j-k) dp[i][j][k][2] = min(dp[i-1][j][k][1],dp[i-1][j][k][0]) + kth[2][i-j-k] + aft[2][0][i-j-k][j] + aft[2][1][i-j-k][k] - i;
			}
		}
	}
	int c = min(dp[n][cnt[0]][cnt[1]][0],min(dp[n][cnt[0]][cnt[1]][1],dp[n][cnt[0]][cnt[1]][2]));
	if(c==mod)cout<<-1;
	else cout<<c;
}

Compilation message

joi2019_ho_t3.cpp:9:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    9 |  main(){
      |       ^

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 844 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 1 ms 844 KB Output is correct
12 Correct 1 ms 844 KB Output is correct
13 Incorrect 1 ms 716 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #2
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 844 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 1 ms 844 KB Output is correct
12 Correct 1 ms 844 KB Output is correct
13 Incorrect 1 ms 716 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 150 ms 328292 KB Output is correct
3 Correct 129 ms 327348 KB Output is correct
4 Correct 131 ms 328280 KB Output is correct
5 Correct 130 ms 328248 KB Output is correct
6 Correct 131 ms 328388 KB Output is correct
7 Correct 130 ms 325840 KB Output is correct
8 Correct 133 ms 325828 KB Output is correct
9 Correct 127 ms 324984 KB Output is correct
10 Correct 129 ms 328244 KB Output is correct
11 Correct 128 ms 328260 KB Output is correct
12 Correct 35 ms 88584 KB Output is correct
13 Correct 61 ms 155340 KB Output is correct
14 Correct 89 ms 224268 KB Output is correct
15 Correct 127 ms 326644 KB Output is correct
16 Correct 140 ms 326664 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 844 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 1 ms 844 KB Output is correct
12 Correct 1 ms 844 KB Output is correct
13 Incorrect 1 ms 716 KB Output isn't correct
14 Halted 0 ms 0 KB -