oj.uz

Submission #929838

# Submission time Handle Problem Language Result Execution time Memory
929838 2024-02-18T08:17:15 Z beepbeepsheep Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
60 / 100
 57 ms 135252 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll short
#define ii pair<ll,ll>
#define iii tuple<ll,ll,ll>

const short maxn=205;
const short inf=10000;

short dp[maxn][maxn][maxn][4];
short cost[maxn][maxn][maxn][4];
vector<short> r,g,y;
short suff[405];
short solve(short a, short b, short c, short flag){
	if (a<0 || b<0 || c<0) return inf;
	if (a==0 && b==0 && c==0) return 0;
	if (dp[a][b][c][flag]!=-1) return dp[a][b][c][flag];
	if (flag==1){
		dp[a][b][c][flag] = min(solve(a-1,b,c,2),solve(a-1,b,c,3));
	}
	if (flag==2){
		dp[a][b][c][flag] = min(solve(a,b-1,c,1),solve(a,b-1,c,3));
	}
	if (flag==3){
		dp[a][b][c][flag] = min(solve(a,b,c-1,1),solve(a,b,c-1,2));
	}
	dp[a][b][c][flag]+=cost[a][b][c][flag];
	return dp[a][b][c][flag];
}
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	short n;
	cin>>n;
	string s;
	cin>>s;
	for (short i=1;i<=n;i++){
		if (s[i-1]=='R') r.emplace_back(i);
		if (s[i-1]=='Y') y.emplace_back(i);
		if (s[i-1]=='G') g.emplace_back(i);
	}
	if (2*max({r.size(),g.size(),y.size()})>n+(n&1)){
		cout<<-1;
		return 0;
	}
	for (int i=0;i<=r.size();i++){
		for (int j=0;j<=g.size();j++){
			//create suffix sum array
			memset(suff,0,sizeof(suff));
			for (int k=0;k<i;k++) suff[r[k]]=1;
			for (int k=0;k<j;k++) suff[g[k]]=1;
			for (int k=400;k>=0;k--) suff[k]+=suff[k+1];
			for (int k=0;k<y.size();k++){
				cost[i][j][k+1][3]=abs((suff[y[k]]+y[k])-(i+j+k+1));
			}
		}
	}
	for (int i=0;i<=g.size();i++){
		for (int j=0;j<=y.size();j++){
			//create suffix sum array
			memset(suff,0,sizeof(suff));
			for (int k=0;k<i;k++) suff[g[k]]=1;
			for (int k=0;k<j;k++) suff[y[k]]=1;
			for (int k=400;k>=0;k--) suff[k]+=suff[k+1];
			for (int k=0;k<r.size();k++){
				cost[k+1][i][j][1]=abs((suff[r[k]]+r[k])-(i+j+k+1));
			}
		}
	}
	for (int i=0;i<=y.size();i++){
		for (int j=0;j<=r.size();j++){
			//create suffix sum array
			memset(suff,0,sizeof(suff));
			for (int k=0;k<i;k++) suff[y[k]]=1;
			for (int k=0;k<j;k++) suff[r[k]]=1;
			for (int k=400;k>=0;k--) suff[k]+=suff[k+1];
			for (int k=0;k<g.size();k++){
				cost[j][k+1][i][2]=abs((suff[g[k]]+g[k])-(i+j+k+1));
			}
		}
	}
	memset(dp,-1,sizeof(dp));
	cout<<min({solve(r.size(),g.size(),y.size(),1),
				solve(r.size(),g.size(),y.size(),2),
				solve(r.size(),g.size(),y.size(),3)});
	return 0;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:43:41: warning: comparison of integer expressions of different signedness: 'long unsigned int' and 'int' [-Wsign-compare]
   43 |  if (2*max({r.size(),g.size(),y.size()})>n+(n&1)){
      |      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
joi2019_ho_t3.cpp:47:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |  for (int i=0;i<=r.size();i++){
      |               ~^~~~~~~~~~
joi2019_ho_t3.cpp:48:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |   for (int j=0;j<=g.size();j++){
      |                ~^~~~~~~~~~
joi2019_ho_t3.cpp:54:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |    for (int k=0;k<y.size();k++){
      |                 ~^~~~~~~~~
joi2019_ho_t3.cpp:59:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |  for (int i=0;i<=g.size();i++){
      |               ~^~~~~~~~~~
joi2019_ho_t3.cpp:60:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |   for (int j=0;j<=y.size();j++){
      |                ~^~~~~~~~~~
joi2019_ho_t3.cpp:66:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |    for (int k=0;k<r.size();k++){
      |                 ~^~~~~~~~~
joi2019_ho_t3.cpp:71:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |  for (int i=0;i<=y.size();i++){
      |               ~^~~~~~~~~~
joi2019_ho_t3.cpp:72:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |   for (int j=0;j<=r.size();j++){
      |                ~^~~~~~~~~~
joi2019_ho_t3.cpp:78:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   78 |    for (int k=0;k<g.size();k++){
      |                 ~^~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 71512 KB Output is correct
2 Correct 10 ms 71476 KB Output is correct
3 Correct 9 ms 69468 KB Output is correct
4 Correct 10 ms 71488 KB Output is correct
5 Correct 10 ms 71516 KB Output is correct
6 Correct 11 ms 71516 KB Output is correct
7 Correct 10 ms 73560 KB Output is correct
8 Correct 10 ms 71516 KB Output is correct
9 Correct 10 ms 71516 KB Output is correct
10 Correct 1 ms 504 KB Output is correct
11 Correct 10 ms 71512 KB Output is correct
12 Correct 11 ms 71516 KB Output is correct
13 Correct 1 ms 500 KB Output is correct
14 Correct 9 ms 71512 KB Output is correct
15 Correct 9 ms 71512 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 71512 KB Output is correct
2 Correct 10 ms 71476 KB Output is correct
3 Correct 9 ms 69468 KB Output is correct
4 Correct 10 ms 71488 KB Output is correct
5 Correct 10 ms 71516 KB Output is correct
6 Correct 11 ms 71516 KB Output is correct
7 Correct 10 ms 73560 KB Output is correct
8 Correct 10 ms 71516 KB Output is correct
9 Correct 10 ms 71516 KB Output is correct
10 Correct 1 ms 504 KB Output is correct
11 Correct 10 ms 71512 KB Output is correct
12 Correct 11 ms 71516 KB Output is correct
13 Correct 1 ms 500 KB Output is correct
14 Correct 9 ms 71512 KB Output is correct
15 Correct 9 ms 71512 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 12 ms 77656 KB Output is correct
19 Correct 12 ms 75612 KB Output is correct
20 Correct 13 ms 77524 KB Output is correct
21 Correct 13 ms 77652 KB Output is correct
22 Correct 11 ms 77660 KB Output is correct
23 Correct 12 ms 75476 KB Output is correct
24 Correct 12 ms 73564 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 11 ms 79708 KB Output is correct
28 Correct 12 ms 77660 KB Output is correct
29 Correct 14 ms 77660 KB Output is correct
30 Correct 11 ms 75612 KB Output is correct
31 Correct 12 ms 75520 KB Output is correct
32 Correct 12 ms 75612 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 14 ms 77660 KB Output is correct
36 Correct 12 ms 77656 KB Output is correct
37 Correct 11 ms 75612 KB Output is correct
38 Correct 12 ms 75608 KB Output is correct
39 Correct 13 ms 75804 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 71524 KB Output is correct
2 Incorrect 57 ms 135252 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 71512 KB Output is correct
2 Correct 10 ms 71476 KB Output is correct
3 Correct 9 ms 69468 KB Output is correct
4 Correct 10 ms 71488 KB Output is correct
5 Correct 10 ms 71516 KB Output is correct
6 Correct 11 ms 71516 KB Output is correct
7 Correct 10 ms 73560 KB Output is correct
8 Correct 10 ms 71516 KB Output is correct
9 Correct 10 ms 71516 KB Output is correct
10 Correct 1 ms 504 KB Output is correct
11 Correct 10 ms 71512 KB Output is correct
12 Correct 11 ms 71516 KB Output is correct
13 Correct 1 ms 500 KB Output is correct
14 Correct 9 ms 71512 KB Output is correct
15 Correct 9 ms 71512 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 12 ms 77656 KB Output is correct
19 Correct 12 ms 75612 KB Output is correct
20 Correct 13 ms 77524 KB Output is correct
21 Correct 13 ms 77652 KB Output is correct
22 Correct 11 ms 77660 KB Output is correct
23 Correct 12 ms 75476 KB Output is correct
24 Correct 12 ms 73564 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 11 ms 79708 KB Output is correct
28 Correct 12 ms 77660 KB Output is correct
29 Correct 14 ms 77660 KB Output is correct
30 Correct 11 ms 75612 KB Output is correct
31 Correct 12 ms 75520 KB Output is correct
32 Correct 12 ms 75612 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 14 ms 77660 KB Output is correct
36 Correct 12 ms 77656 KB Output is correct
37 Correct 11 ms 75612 KB Output is correct
38 Correct 12 ms 75608 KB Output is correct
39 Correct 13 ms 75804 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 11 ms 71524 KB Output is correct
43 Incorrect 57 ms 135252 KB Output isn't correct
44 Halted 0 ms 0 KB -