oj.uz

Submission #682485

# Submission time Handle Problem Language Result Execution time Memory
682485 2023-01-16T10:20:59 Z rila Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
60 / 100
 397 ms 1048576 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long 
#define FOR(i,s,e) for(int i = s; i <= (int)e; ++i)
#define DEC(i,s,e) for(int i = s; i >= (int)e; --i)
#define IAMSPEED ios_base::sync_with_stdio(false); cin.tie(0);
#ifdef LOCAL
#define db(x) cerr << #x << "=" << x << "\n"
#define db2(x, y) cerr << #x << "=" << x << " , " << #y << "=" << y << "\n"
#define db3(a,b,c) cerr<<#a<<"="<<a<<","<<#b<<"="<<b<<","<<#c<<"="<<c<<"\n"
#define dbv(v) cerr << #v << ":"; for (auto ite : v) cerr << ite << ' '; cerr <<"\n"
#define dbvp(v) cerr << #v << ":"; for (auto ite : v) cerr << "{"  << ite.f << ',' << ite.s << "} "; cerr << "\n"
#define dba(a,ss,ee) cerr << #a << ":"; FOR(ite,ss,ee) cerr << a[ite] << ' '; cerr << "\n"
#define reach cerr << "LINE: " << __LINE__ << "\n";
#else
#define reach 
#define db(x)
#define db2(x,y)
#define db3(a,b,c)
#define dbv(v)
#define dbvp(v)
#define dba(a,ss,ee)
#endif
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define pb push_back
#define eb emplace_back
#define all(x) (x).begin(), (x).end()
#define f first 
#define s second
#define g0(x) get<0>(x)
#define g1(x) get<1>(x)
#define g2(x) get<2>(x)
#define g3(x) get<3>(x)
typedef pair <int, int> pi;
typedef tuple<int,int,int> ti3;
typedef tuple<int,int,int,int> ti4;
int rand(int a, int b) { return a + rng() % (b-a+1); }
const int MOD = 1e9 + 7;
const int inf = (int)1e9 + 500;
const long long oo = (long long)1e18 + 500;
template <typename T> bool chmax(T& a, const T b) { return a<b ? a = b, 1 : 0; }
template <typename T> bool chmin(T& a, const T b) { return a>b ? a = b, 1 : 0; }
const int MAXN = 402;
int dp[MAXN][MAXN][MAXN][3];
map<pi, int> C[3][MAXN];//number of positions i have moved forward
char A[MAXN];
vector<int>V[3];
int where[3][MAXN];
int32_t main() 
{
	IAMSPEED
	int n; cin >> n;
	FOR(i,1,n) {
		char c; cin >> c;
		if(c=='R')A[i]=0;
		else if(c=='G')A[i]=1;
		else A[i]=2;
		V[A[i]].pb(i);
	}
	FOR(zz,0,2) {
		FOR(i,1,V[zz].size()) {

			int pos=V[zz][i-1];
			set<int> s;
			for(auto x:{0,1,2})s.insert(x);
			s.erase(zz);
			int c1=*s.begin(); s.erase(s.begin());
			int c2=*s.begin(); s.erase(s.begin());
			int cnt=0;
			FOR(xx,0,V[c1].size()) {
				int id1=0;
				if(xx)id1=V[c1][xx-1];
				if(id1>pos)++cnt;
				int st=cnt;
				FOR(yy,0,V[c2].size()) {
					int id2=0;
					if(yy)id2=V[c2][yy-1];
					if(id2>pos)++cnt;
					C[zz][i][pi(xx,yy)]=cnt;
				}
				cnt=st;
			}
		}
	}
	FOR(zz,0,2) {
		db(zz);
		FOR(i,1,V[zz].size()) {
			db(i);
			for(auto ele:C[zz][i]) {
				db3(ele.f.f,ele.f.s,ele.s);
			}
		}
	}
	FOR(i,0,n)FOR(j,0,n)FOR(k,0,n)FOR(y,0,2)dp[i][j][k][y]=oo;
	dp[0][0][0][0]=0;
	dp[0][0][0][1]=0;
	dp[0][0][0][2]=0;
	FOR(i,0,V[0].size()) {
		FOR(j,0,V[1].size()){
			FOR(k,0,V[2].size()) {
				FOR(y,0,2) {
					int &cur=dp[i][j][k][y];
					if(cur==oo)continue;
					if(y!=0){ 
						if(i<V[0].size()){
							int curidx=C[0][i+1][pi(j,k)];

							chmin(dp[i+1][j][k][0], cur + curidx);
						}
					}
					if(y!=1) {
						if(j<V[1].size()) {
							int curidx=C[1][j+1][pi(i,k)];
							chmin(dp[i][j+1][k][1], cur + curidx);
						}
					} 
					if(y!=2){
						if(k<V[2].size()) {
							int curidx=C[2][k+1][pi(i,j)];
							chmin(dp[i][j][k+1][2], cur + curidx);
						}
					}
				}
			}
		}
	}
	int r=V[0].size();
	int g=V[1].size();
	int b=V[2].size();
	int ans = min({dp[r][g][b][0], dp[r][g][b][1], dp[r][g][b][2]});
	if(ans==oo)cout<<-1;
	else cout <<ans;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int32_t main()':
joi2019_ho_t3.cpp:58:8: warning: array subscript has type 'char' [-Wchar-subscripts]
   58 |   V[A[i]].pb(i);
      |     ~~~^
joi2019_ho_t3.cpp:89:13: warning: variable 'ele' set but not used [-Wunused-but-set-variable]
   89 |    for(auto ele:C[zz][i]) {
      |             ^~~
joi2019_ho_t3.cpp:105:11: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  105 |       if(i<V[0].size()){
      |          ~^~~~~~~~~~~~
joi2019_ho_t3.cpp:112:11: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  112 |       if(j<V[1].size()) {
      |          ~^~~~~~~~~~~~
joi2019_ho_t3.cpp:118:11: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  118 |       if(k<V[2].size()) {
      |          ~^~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 400 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 908 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1492 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1556 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1620 KB Output is correct
13 Correct 1 ms 1548 KB Output is correct
14 Correct 1 ms 1364 KB Output is correct
15 Correct 1 ms 1492 KB Output is correct
16 Correct 1 ms 1492 KB Output is correct
17 Correct 1 ms 1364 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 400 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 908 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1492 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1556 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1620 KB Output is correct
13 Correct 1 ms 1548 KB Output is correct
14 Correct 1 ms 1364 KB Output is correct
15 Correct 1 ms 1492 KB Output is correct
16 Correct 1 ms 1492 KB Output is correct
17 Correct 1 ms 1364 KB Output is correct
18 Correct 14 ms 22484 KB Output is correct
19 Correct 13 ms 22416 KB Output is correct
20 Correct 13 ms 22356 KB Output is correct
21 Correct 15 ms 22484 KB Output is correct
22 Correct 14 ms 22228 KB Output is correct
23 Correct 14 ms 22484 KB Output is correct
24 Correct 13 ms 22112 KB Output is correct
25 Correct 9 ms 21076 KB Output is correct
26 Correct 9 ms 21076 KB Output is correct
27 Correct 12 ms 22228 KB Output is correct
28 Correct 13 ms 22472 KB Output is correct
29 Correct 13 ms 22484 KB Output is correct
30 Correct 13 ms 22408 KB Output is correct
31 Correct 16 ms 22356 KB Output is correct
32 Correct 13 ms 22484 KB Output is correct
33 Correct 9 ms 20436 KB Output is correct
34 Correct 11 ms 20748 KB Output is correct
35 Correct 14 ms 20692 KB Output is correct
36 Correct 15 ms 21556 KB Output is correct
37 Correct 15 ms 19940 KB Output is correct
38 Correct 15 ms 22288 KB Output is correct
39 Correct 14 ms 22436 KB Output is correct
40 Correct 11 ms 20204 KB Output is correct
41 Correct 10 ms 21332 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Runtime error 397 ms 1048576 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 400 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 908 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1492 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1556 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1620 KB Output is correct
13 Correct 1 ms 1548 KB Output is correct
14 Correct 1 ms 1364 KB Output is correct
15 Correct 1 ms 1492 KB Output is correct
16 Correct 1 ms 1492 KB Output is correct
17 Correct 1 ms 1364 KB Output is correct
18 Correct 14 ms 22484 KB Output is correct
19 Correct 13 ms 22416 KB Output is correct
20 Correct 13 ms 22356 KB Output is correct
21 Correct 15 ms 22484 KB Output is correct
22 Correct 14 ms 22228 KB Output is correct
23 Correct 14 ms 22484 KB Output is correct
24 Correct 13 ms 22112 KB Output is correct
25 Correct 9 ms 21076 KB Output is correct
26 Correct 9 ms 21076 KB Output is correct
27 Correct 12 ms 22228 KB Output is correct
28 Correct 13 ms 22472 KB Output is correct
29 Correct 13 ms 22484 KB Output is correct
30 Correct 13 ms 22408 KB Output is correct
31 Correct 16 ms 22356 KB Output is correct
32 Correct 13 ms 22484 KB Output is correct
33 Correct 9 ms 20436 KB Output is correct
34 Correct 11 ms 20748 KB Output is correct
35 Correct 14 ms 20692 KB Output is correct
36 Correct 15 ms 21556 KB Output is correct
37 Correct 15 ms 19940 KB Output is correct
38 Correct 15 ms 22288 KB Output is correct
39 Correct 14 ms 22436 KB Output is correct
40 Correct 11 ms 20204 KB Output is correct
41 Correct 10 ms 21332 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Runtime error 397 ms 1048576 KB Execution killed with signal 9
44 Halted 0 ms 0 KB -