oj.uz

Submission #201254

# Submission time Handle Problem Language Result Execution time Memory
201254 2020-02-10T03:52:45 Z abil Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 498 ms 88568 KB 
#include <bits/stdc++.h>

#define fr first
#define sc second
#define pb push_back
#define sz(s) s.size()
#define all(s) s.begin(),s.end()
//#define int long long

using namespace std;

const int N = (1e6 + 12);
const int mod = (1e9 + 7);
const int inf = (1e9 + 7);

vector<int > vec[3];
int dp[4][250][150][150];
int n;

int go(int x,int ig, int iy,int ir){
	if(ig + iy + ir == n){
		return 0;
	}
	if(dp[x][ig][iy][ir] != -1){
		return dp[x][ig][iy][ir];
	}
	int ind = ig + ir + iy, ans = inf;
	for(int i = 0;i < 3; i++){
		if(i == x){
			continue;
		}
		if(i == 0){
			if(ig == vec[0].size()){
				continue;
			}
			int id = vec[0][ig], ad = 0;
			ad -= lower_bound(vec[1].begin(), vec[1].begin() + iy, id) - vec[1].begin();
			ad += iy;
			ad -= lower_bound(vec[2].begin(), vec[2].begin() + ir, id) - vec[2].begin();
			ad += ir;
			ans = min(ans, go(i, ig + 1, iy, ir) + abs((ad + id) - ind));
		}
		if(i == 1){
			if(iy == vec[1].size()){
				continue;
			}
			int id = vec[1][iy], ad = 0;
			ad -= lower_bound(vec[0].begin(), vec[0].begin() + ig, id) - vec[0].begin();
			ad += ig;
			ad -= lower_bound(vec[2].begin(), vec[2].begin() + ir, id) - vec[2].begin();
			ad += ir;
			ans = min(ans, go(i, ig, iy + 1, ir) + abs((ad + id) - ind));
		}
		if(i == 2){
			if(ir == vec[2].size()){
				continue;
			}
			int id = vec[2][ir], ad = 0;
			ad -= lower_bound(vec[1].begin(), vec[1].begin() + iy, id) - vec[1].begin();
			ad += iy;
			ad -= lower_bound(vec[0].begin(), vec[0].begin() + ig, id) - vec[0].begin();
			ad += ig;
			ans = min(ans, go(i, ig , iy, ir + 1) + abs((ad + id) - ind));
		}
	}
	dp[x][ig][iy][ir] = ans;
	return ans;
}

main(){
	char ch;
	scanf("%d", &n);
	for(int i = 0; i < n; i++){
		scanf(" %c", &ch);
		if(ch == 'G'){
			vec[0].pb(i);
		}
		else
		if(ch == 'R'){
			vec[1].pb(i);
		}
		else{
			vec[2].pb(i);
		}
	}
	if(vec[1].size() < vec[2].size()){
		swap(vec[1], vec[2]);
	}
	if(vec[0].size() < vec[1].size()){
		swap(vec[1], vec[0]);
	}
	if(vec[0].size() - 1 > vec[1].size() + vec[2].size()){
		cout << -1;
		return 0;
	}
	memset(dp, -1, sizeof(dp));
	cout << go(3, 0, 0, 0);
}

Compilation message

joi2019_ho_t3.cpp: In function 'int go(int, int, int, int)':
joi2019_ho_t3.cpp:33:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(ig == vec[0].size()){
       ~~~^~~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:44:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(iy == vec[1].size()){
       ~~~^~~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:55:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(ir == vec[2].size()){
       ~~~^~~~~~~~~~~~~~~~
joi2019_ho_t3.cpp: At global scope:
joi2019_ho_t3.cpp:70:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:72:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
joi2019_ho_t3.cpp:74:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf(" %c", &ch);
   ~~~~~^~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 88312 KB Output is correct
2 Correct 53 ms 88312 KB Output is correct
3 Correct 54 ms 88444 KB Output is correct
4 Correct 55 ms 88440 KB Output is correct
5 Correct 56 ms 88312 KB Output is correct
6 Correct 52 ms 88184 KB Output is correct
7 Correct 53 ms 88312 KB Output is correct
8 Correct 53 ms 88312 KB Output is correct
9 Correct 54 ms 88440 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 54 ms 88440 KB Output is correct
12 Correct 53 ms 88316 KB Output is correct
13 Correct 5 ms 380 KB Output is correct
14 Correct 52 ms 88312 KB Output is correct
15 Correct 53 ms 88312 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 256 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 88312 KB Output is correct
2 Correct 53 ms 88312 KB Output is correct
3 Correct 54 ms 88444 KB Output is correct
4 Correct 55 ms 88440 KB Output is correct
5 Correct 56 ms 88312 KB Output is correct
6 Correct 52 ms 88184 KB Output is correct
7 Correct 53 ms 88312 KB Output is correct
8 Correct 53 ms 88312 KB Output is correct
9 Correct 54 ms 88440 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 54 ms 88440 KB Output is correct
12 Correct 53 ms 88316 KB Output is correct
13 Correct 5 ms 380 KB Output is correct
14 Correct 52 ms 88312 KB Output is correct
15 Correct 53 ms 88312 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 55 ms 88316 KB Output is correct
19 Correct 55 ms 88312 KB Output is correct
20 Correct 54 ms 88312 KB Output is correct
21 Correct 54 ms 88312 KB Output is correct
22 Correct 54 ms 88312 KB Output is correct
23 Correct 56 ms 88328 KB Output is correct
24 Correct 53 ms 88312 KB Output is correct
25 Correct 5 ms 256 KB Output is correct
26 Correct 5 ms 256 KB Output is correct
27 Correct 52 ms 88312 KB Output is correct
28 Correct 54 ms 88312 KB Output is correct
29 Correct 55 ms 88444 KB Output is correct
30 Correct 53 ms 88312 KB Output is correct
31 Correct 53 ms 88312 KB Output is correct
32 Correct 54 ms 88312 KB Output is correct
33 Correct 5 ms 256 KB Output is correct
34 Correct 5 ms 372 KB Output is correct
35 Correct 54 ms 88312 KB Output is correct
36 Correct 53 ms 88312 KB Output is correct
37 Correct 54 ms 88312 KB Output is correct
38 Correct 54 ms 88440 KB Output is correct
39 Correct 55 ms 88312 KB Output is correct
40 Correct 5 ms 256 KB Output is correct
41 Correct 5 ms 256 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 88308 KB Output is correct
2 Correct 56 ms 88440 KB Output is correct
3 Correct 53 ms 88440 KB Output is correct
4 Correct 52 ms 88440 KB Output is correct
5 Correct 53 ms 88440 KB Output is correct
6 Correct 52 ms 88440 KB Output is correct
7 Correct 52 ms 88440 KB Output is correct
8 Correct 55 ms 88444 KB Output is correct
9 Correct 53 ms 88440 KB Output is correct
10 Correct 53 ms 88440 KB Output is correct
11 Correct 53 ms 88440 KB Output is correct
12 Correct 53 ms 88440 KB Output is correct
13 Correct 54 ms 88440 KB Output is correct
14 Correct 55 ms 88440 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 88312 KB Output is correct
2 Correct 53 ms 88312 KB Output is correct
3 Correct 54 ms 88444 KB Output is correct
4 Correct 55 ms 88440 KB Output is correct
5 Correct 56 ms 88312 KB Output is correct
6 Correct 52 ms 88184 KB Output is correct
7 Correct 53 ms 88312 KB Output is correct
8 Correct 53 ms 88312 KB Output is correct
9 Correct 54 ms 88440 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 54 ms 88440 KB Output is correct
12 Correct 53 ms 88316 KB Output is correct
13 Correct 5 ms 380 KB Output is correct
14 Correct 52 ms 88312 KB Output is correct
15 Correct 53 ms 88312 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 55 ms 88316 KB Output is correct
19 Correct 55 ms 88312 KB Output is correct
20 Correct 54 ms 88312 KB Output is correct
21 Correct 54 ms 88312 KB Output is correct
22 Correct 54 ms 88312 KB Output is correct
23 Correct 56 ms 88328 KB Output is correct
24 Correct 53 ms 88312 KB Output is correct
25 Correct 5 ms 256 KB Output is correct
26 Correct 5 ms 256 KB Output is correct
27 Correct 52 ms 88312 KB Output is correct
28 Correct 54 ms 88312 KB Output is correct
29 Correct 55 ms 88444 KB Output is correct
30 Correct 53 ms 88312 KB Output is correct
31 Correct 53 ms 88312 KB Output is correct
32 Correct 54 ms 88312 KB Output is correct
33 Correct 5 ms 256 KB Output is correct
34 Correct 5 ms 372 KB Output is correct
35 Correct 54 ms 88312 KB Output is correct
36 Correct 53 ms 88312 KB Output is correct
37 Correct 54 ms 88312 KB Output is correct
38 Correct 54 ms 88440 KB Output is correct
39 Correct 55 ms 88312 KB Output is correct
40 Correct 5 ms 256 KB Output is correct
41 Correct 5 ms 256 KB Output is correct
42 Correct 52 ms 88308 KB Output is correct
43 Correct 56 ms 88440 KB Output is correct
44 Correct 53 ms 88440 KB Output is correct
45 Correct 52 ms 88440 KB Output is correct
46 Correct 53 ms 88440 KB Output is correct
47 Correct 52 ms 88440 KB Output is correct
48 Correct 52 ms 88440 KB Output is correct
49 Correct 55 ms 88444 KB Output is correct
50 Correct 53 ms 88440 KB Output is correct
51 Correct 53 ms 88440 KB Output is correct
52 Correct 53 ms 88440 KB Output is correct
53 Correct 53 ms 88440 KB Output is correct
54 Correct 54 ms 88440 KB Output is correct
55 Correct 55 ms 88440 KB Output is correct
56 Correct 5 ms 376 KB Output is correct
57 Correct 5 ms 376 KB Output is correct
58 Correct 471 ms 88484 KB Output is correct
59 Correct 475 ms 88440 KB Output is correct
60 Correct 490 ms 88568 KB Output is correct
61 Correct 498 ms 88568 KB Output is correct
62 Correct 5 ms 376 KB Output is correct
63 Correct 57 ms 88440 KB Output is correct
64 Correct 110 ms 88440 KB Output is correct
65 Correct 200 ms 88440 KB Output is correct
66 Correct 301 ms 88440 KB Output is correct
67 Correct 283 ms 88440 KB Output is correct
68 Correct 348 ms 88440 KB Output is correct
69 Correct 351 ms 88568 KB Output is correct
70 Correct 392 ms 88568 KB Output is correct
71 Correct 413 ms 88440 KB Output is correct
72 Correct 5 ms 256 KB Output is correct
73 Correct 5 ms 376 KB Output is correct