oj.uz

답안 #948689

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
948689 2024-03-18T11:09:56 Z vjudge306 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 82 ms 100340 KB 
#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<ll, null_type, less_equal<ll>, rb_tree_tag, tree_order_statistics_node_update>
#define nn "\n"
#define x_x ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define intt int _; cin >> _; while (_--)
#define emp push_back
#define mod 1000000007
#define all(v) v.begin(), v.end()
#define ld long double
#define A first
#define B second
//#define int long long
typedef long long ll;
const ld eps = 1e-27;
// diff between decimals 0.000000001 mt19937 mt(time(nullptr));
int dp[204][204][204][3], n;
int nm(int i, int x, int a, int b, int c, int ar[][3], vector<int>pos[]) {
bool f=0;
if(x==0&&a==ar[n-1][0]) f=1;
if (x==1&&ar[n-1][1]==b) f=1;
if (x==2&&ar[n-1][2]==c) f=1;
if (f) return 1000000;

int j;
switch(x) {
case 0:
    j=pos[x][a]; break;
case 1:
    j=pos[x][b]; break;
default:
    j=pos[x][c]; break;
}
int rn=max(0, a-ar[j][0]), gn=max(0, b-ar[j][1]), yn=max(0, c-ar[j][2]);
return rn+gn+yn+(j-i)-1;
}
int main() {

    x_x
  string s; cin>>n>>s; memset(dp, -1, sizeof(dp));
  int ar[n][3]; vector<int>pos[3];
  for (int i=0; i<n; i++) {
    ar[i][0]=ar[i][1]=ar[i][2]=0;
    switch(s[i]) {
case 'R':
    ar[i][0]++, pos[0].emp(i);
    break;
case 'G':
    ar[i][1]++, pos[1].emp(i);
    break;
case 'Y':
    ar[i][2]++, pos[2].emp(i);
    break;
default:
    break;
    }
    for(int j=0; j<3&&i; j++) ar[i][j]+=ar[i-1][j];
  }

  int zero=0; for (int i=0; i<3; i++) zero+=(ar[n-1][i]==0);
  if (zero>1) return cout<<0, 0;

  int mx=max({ar[n-1][0], ar[n-1][1], ar[n-1][2]}), rst=n-mx; --mx;
  if (mx>rst) return cout<<-1, 0;

  for (int ind=0; ind<n; ind++) {
    for (int a=0; a<=min(ar[n-1][0],ind); a++) {
        for (int b=0; b<=min(ind,ar[n-1][1])&&(a+b<=ind); b++) {
            int c=ind-(a+b); if(c>ar[n-1][2]) continue;

            mx=max({a,b,c}), rst=ind-mx; --mx;
            if (mx>rst)
                {/*dp[a+1][b][c][0]=dp[a][b+1][c][1]=dp[a][b][c+1][2]=1000000;*/ continue;}

            int m[3];
            m[0]=nm(ind-1, 0, a, b, c, ar, pos);
            m[1]=nm(ind-1, 1, a, b, c, ar, pos), m[2]=nm(ind-1, 2, a, b, c, ar, pos);
            if (!ind) {
                dp[1][0][0][0]=m[0]; dp[0][1][0][1]=m[1]; dp[0][0][1][2]=m[2];
            }
            else {
               for (int k=0; k<3; k++) {
                    if (k==0&&!a)continue; if (k==1&&!b)continue; if (k==2&&!c)continue;
                for (int r=0; r<3; r++) {
                    if (r!=k) {
                     int x=a+(r==0), y=b+(r==1), z=c+(r==2);
                    if (x>ar[n-1][0]||y>ar[n-1][1]||z>ar[n-1][2]) continue;
                    if (dp[x][y][z][r]==-1) dp[x][y][z][r]=1000000;
                    if (dp[a][b][c][k]==-1) continue;
                    dp[x][y][z][r]=min(dp[x][y][z][r], m[r]+dp[a][b][c][k]);
                    }
                }
               }
            }
        }
    }
  }

  int a=ar[n-1][0], b=ar[n-1][1], c=ar[n-1][2];

  int ans=INT_MAX;
  for (int r=0; r<3; r++) if(dp[a][b][c][r]>-1)ans=min(ans, dp[a][b][c][r]);
  cout<<(ans>=1000000?-1:ans);
  return 0;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:86:21: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   86 |                     if (k==0&&!a)continue; if (k==1&&!b)continue; if (k==2&&!c)continue;
      |                     ^~
joi2019_ho_t3.cpp:86:44: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   86 |                     if (k==0&&!a)continue; if (k==1&&!b)continue; if (k==2&&!c)continue;
      |                                            ^~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 35 ms 100092 KB Output is correct
2 Correct 15 ms 99932 KB Output is correct
3 Correct 13 ms 99932 KB Output is correct
4 Correct 12 ms 100012 KB Output is correct
5 Correct 12 ms 99932 KB Output is correct
6 Correct 13 ms 100092 KB Output is correct
7 Correct 12 ms 99928 KB Output is correct
8 Correct 13 ms 99928 KB Output is correct
9 Correct 13 ms 99932 KB Output is correct
10 Correct 12 ms 99932 KB Output is correct
11 Correct 15 ms 99932 KB Output is correct
12 Correct 13 ms 100108 KB Output is correct
13 Correct 12 ms 99932 KB Output is correct
14 Correct 13 ms 99932 KB Output is correct
15 Correct 13 ms 99932 KB Output is correct
16 Correct 12 ms 99996 KB Output is correct
17 Correct 13 ms 99932 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 35 ms 100092 KB Output is correct
2 Correct 15 ms 99932 KB Output is correct
3 Correct 13 ms 99932 KB Output is correct
4 Correct 12 ms 100012 KB Output is correct
5 Correct 12 ms 99932 KB Output is correct
6 Correct 13 ms 100092 KB Output is correct
7 Correct 12 ms 99928 KB Output is correct
8 Correct 13 ms 99928 KB Output is correct
9 Correct 13 ms 99932 KB Output is correct
10 Correct 12 ms 99932 KB Output is correct
11 Correct 15 ms 99932 KB Output is correct
12 Correct 13 ms 100108 KB Output is correct
13 Correct 12 ms 99932 KB Output is correct
14 Correct 13 ms 99932 KB Output is correct
15 Correct 13 ms 99932 KB Output is correct
16 Correct 12 ms 99996 KB Output is correct
17 Correct 13 ms 99932 KB Output is correct
18 Correct 13 ms 99928 KB Output is correct
19 Correct 13 ms 99932 KB Output is correct
20 Correct 14 ms 100096 KB Output is correct
21 Correct 12 ms 99932 KB Output is correct
22 Correct 12 ms 100028 KB Output is correct
23 Correct 13 ms 99932 KB Output is correct
24 Correct 13 ms 100028 KB Output is correct
25 Correct 13 ms 99932 KB Output is correct
26 Correct 13 ms 99932 KB Output is correct
27 Correct 13 ms 99928 KB Output is correct
28 Correct 13 ms 100132 KB Output is correct
29 Correct 13 ms 100340 KB Output is correct
30 Correct 13 ms 99988 KB Output is correct
31 Correct 13 ms 100092 KB Output is correct
32 Correct 13 ms 100052 KB Output is correct
33 Correct 13 ms 99932 KB Output is correct
34 Correct 13 ms 100188 KB Output is correct
35 Correct 13 ms 99932 KB Output is correct
36 Correct 14 ms 99932 KB Output is correct
37 Correct 13 ms 99932 KB Output is correct
38 Correct 13 ms 99932 KB Output is correct
39 Correct 13 ms 100184 KB Output is correct
40 Correct 13 ms 99928 KB Output is correct
41 Correct 13 ms 99932 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 99932 KB Output is correct
2 Correct 19 ms 100048 KB Output is correct
3 Correct 18 ms 99932 KB Output is correct
4 Correct 20 ms 100136 KB Output is correct
5 Correct 18 ms 99932 KB Output is correct
6 Correct 19 ms 99932 KB Output is correct
7 Correct 20 ms 99932 KB Output is correct
8 Correct 19 ms 99932 KB Output is correct
9 Correct 18 ms 99932 KB Output is correct
10 Correct 23 ms 100096 KB Output is correct
11 Correct 19 ms 99932 KB Output is correct
12 Correct 14 ms 99928 KB Output is correct
13 Correct 15 ms 99932 KB Output is correct
14 Correct 16 ms 99932 KB Output is correct
15 Correct 13 ms 100040 KB Output is correct
16 Correct 12 ms 99932 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 35 ms 100092 KB Output is correct
2 Correct 15 ms 99932 KB Output is correct
3 Correct 13 ms 99932 KB Output is correct
4 Correct 12 ms 100012 KB Output is correct
5 Correct 12 ms 99932 KB Output is correct
6 Correct 13 ms 100092 KB Output is correct
7 Correct 12 ms 99928 KB Output is correct
8 Correct 13 ms 99928 KB Output is correct
9 Correct 13 ms 99932 KB Output is correct
10 Correct 12 ms 99932 KB Output is correct
11 Correct 15 ms 99932 KB Output is correct
12 Correct 13 ms 100108 KB Output is correct
13 Correct 12 ms 99932 KB Output is correct
14 Correct 13 ms 99932 KB Output is correct
15 Correct 13 ms 99932 KB Output is correct
16 Correct 12 ms 99996 KB Output is correct
17 Correct 13 ms 99932 KB Output is correct
18 Correct 13 ms 99928 KB Output is correct
19 Correct 13 ms 99932 KB Output is correct
20 Correct 14 ms 100096 KB Output is correct
21 Correct 12 ms 99932 KB Output is correct
22 Correct 12 ms 100028 KB Output is correct
23 Correct 13 ms 99932 KB Output is correct
24 Correct 13 ms 100028 KB Output is correct
25 Correct 13 ms 99932 KB Output is correct
26 Correct 13 ms 99932 KB Output is correct
27 Correct 13 ms 99928 KB Output is correct
28 Correct 13 ms 100132 KB Output is correct
29 Correct 13 ms 100340 KB Output is correct
30 Correct 13 ms 99988 KB Output is correct
31 Correct 13 ms 100092 KB Output is correct
32 Correct 13 ms 100052 KB Output is correct
33 Correct 13 ms 99932 KB Output is correct
34 Correct 13 ms 100188 KB Output is correct
35 Correct 13 ms 99932 KB Output is correct
36 Correct 14 ms 99932 KB Output is correct
37 Correct 13 ms 99932 KB Output is correct
38 Correct 13 ms 99932 KB Output is correct
39 Correct 13 ms 100184 KB Output is correct
40 Correct 13 ms 99928 KB Output is correct
41 Correct 13 ms 99932 KB Output is correct
42 Correct 12 ms 99932 KB Output is correct
43 Correct 19 ms 100048 KB Output is correct
44 Correct 18 ms 99932 KB Output is correct
45 Correct 20 ms 100136 KB Output is correct
46 Correct 18 ms 99932 KB Output is correct
47 Correct 19 ms 99932 KB Output is correct
48 Correct 20 ms 99932 KB Output is correct
49 Correct 19 ms 99932 KB Output is correct
50 Correct 18 ms 99932 KB Output is correct
51 Correct 23 ms 100096 KB Output is correct
52 Correct 19 ms 99932 KB Output is correct
53 Correct 14 ms 99928 KB Output is correct
54 Correct 15 ms 99932 KB Output is correct
55 Correct 16 ms 99932 KB Output is correct
56 Correct 13 ms 100040 KB Output is correct
57 Correct 12 ms 99932 KB Output is correct
58 Correct 73 ms 100116 KB Output is correct
59 Correct 82 ms 100120 KB Output is correct
60 Correct 80 ms 100112 KB Output is correct
61 Correct 80 ms 100116 KB Output is correct
62 Correct 12 ms 99932 KB Output is correct
63 Correct 20 ms 99928 KB Output is correct
64 Correct 29 ms 100144 KB Output is correct
65 Correct 42 ms 99932 KB Output is correct
66 Correct 75 ms 99932 KB Output is correct
67 Correct 72 ms 99932 KB Output is correct
68 Correct 76 ms 99932 KB Output is correct
69 Correct 80 ms 100128 KB Output is correct
70 Correct 76 ms 100120 KB Output is correct
71 Correct 73 ms 100124 KB Output is correct
72 Correct 12 ms 99928 KB Output is correct
73 Correct 13 ms 99932 KB Output is correct