oj.uz

Submission #127686

# Submission time Handle Problem Language Result Execution time Memory
127686 2019-07-10T00:34:56 Z arnold518 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
15 / 100
 136 ms 163192 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 400;
const int INF = 987654321;

int N, ans;
char S[MAXN+10];

int dp[MAXN+10][MAXN+10][MAXN+10][3];
int rcnt[MAXN+10], gcnt[MAXN+10], ycnt[MAXN+10];
vector<int> rpos, gpos, ypos;

int main()
{
    int i, j;

    scanf("%d%s", &N, S+1);
    for(i=1; i<=N; i++)
    {
        rcnt[i]=rcnt[i-1]; gcnt[i]=gcnt[i-1]; ycnt[i]=ycnt[i-1];
        if(S[i]=='R') rpos.push_back(i), rcnt[i]++;
        if(S[i]=='G') gpos.push_back(i), gcnt[i]++;
        if(S[i]=='Y') ypos.push_back(i), ycnt[i]++;
        //printf("%d %d %d\n", rcnt[i], gcnt[i], ycnt[i]);
    }


    for(int r=0; r<=rpos.size(); r++)
    {
        for(int g=0; g<=gpos.size(); g++)
        {
            for(int y=0; y<=ypos.size(); y++)
            {
                dp[r][g][y][0]=dp[r][g][y][1]=dp[r][g][y][2]=INF;
                if(r==0 && g==0 && y==0)
                {
                    dp[r][g][y][0]=dp[r][g][y][1]=dp[r][g][y][2]=0;
                    continue;
                }
                if(r!=0) dp[r][g][y][0]=min(dp[r-1][g][y][1], dp[r-1][g][y][2])+max(0, r+g+y-rpos[r-1]);
                if(g!=0) dp[r][g][y][1]=min(dp[r][g-1][y][0], dp[r][g-1][y][2])+max(0, r+g+y-gpos[g-1]);
                if(y!=0) dp[r][g][y][2]=min(dp[r][g][y-1][0], dp[r][g][y-1][1])+max(0, r+g+y-ypos[y-1]);
                //printf("%d %d %d : %d %d %d\n", r, g, y, dp[r][g][y][0], dp[r][g][y][1], dp[r][g][y][2]);
            }
        }
    }
    ans=min(min(dp[rpos.size()][gpos.size()][ypos.size()][0], dp[rpos.size()][gpos.size()][ypos.size()][1]), dp[rpos.size()][gpos.size()][ypos.size()][2]);
    if(ans>=INF) ans=-1;
    printf("%d", ans);
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:33:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int r=0; r<=rpos.size(); r++)
                  ~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:35:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int g=0; g<=gpos.size(); g++)
                      ~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:37:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int y=0; y<=ypos.size(); y++)
                          ~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:20:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
joi2019_ho_t3.cpp:22:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%s", &N, S+1);
     ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 632 KB Output is correct
11 Incorrect 2 ms 508 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #2
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 632 KB Output is correct
11 Incorrect 2 ms 508 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 123 ms 163192 KB Output is correct
3 Correct 122 ms 162168 KB Output is correct
4 Correct 121 ms 162936 KB Output is correct
5 Correct 122 ms 163064 KB Output is correct
6 Correct 122 ms 163064 KB Output is correct
7 Correct 121 ms 162168 KB Output is correct
8 Correct 121 ms 162184 KB Output is correct
9 Correct 121 ms 161436 KB Output is correct
10 Correct 136 ms 163012 KB Output is correct
11 Correct 133 ms 163064 KB Output is correct
12 Correct 42 ms 44152 KB Output is correct
13 Correct 61 ms 77176 KB Output is correct
14 Correct 84 ms 111352 KB Output is correct
15 Correct 121 ms 162952 KB Output is correct
16 Correct 123 ms 163040 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 632 KB Output is correct
11 Incorrect 2 ms 508 KB Output isn't correct
12 Halted 0 ms 0 KB -