oj.uz

Submission #200319

# Submission time Handle Problem Language Result Execution time Memory
200319 2020-02-06T10:15:28 Z Nordway Land of the Rainbow Gold (APIO17_rainbow) C++14
12 / 100
 96 ms 7544 KB 
#include<bits/stdc++.h>
//#include "rainbow.h"

#define x first
#define y second
#define pb push_back
#define sz(v) (int)v.size()

using namespace std;

const int N=1e3+11;
const int M=2e5+11;
const int dx[4]={0,0,-1,1};
const int dy[4]={1,-1,0,0};

int n,m;
int x,y;
string s;
bool used[N][N];
bool us[3][M];
int cnt[M],p[3][M];
int msk[M];

void init(int R, int C, int sr, int sc, int M, char* S) {
  n=R;
  m=C;
  x=sr,y=sc;
  s=S;
  us[1][0]=1;
  us[2][0]=1;
    us[sr][sc]=1;
    for(int i=0;i<sz(s);i++){
      if(s[i]=='N')sr--;
      if(s[i]=='S')sr++;
      if(s[i]=='W')sc--;
      if(s[i]=='E')sc++;
      us[sr][sc]=1;
    }
    int lst=0;
    msk[0]=lst;
    for(int i=1;i<=m;i++){
      int cur=3;
      for(int j=1;j<=2;j++){
        if(us[j][i])cur^=(1<<(j-1));
      }
      msk[i]=cur;
      if((lst&cur)==0&&cur>0)cnt[i]=cnt[i-1]+1;
      else cnt[i]=cnt[i-1];
      lst=cur;
    }
    for(int i=1;i<=2;i++){
      for(int j=1;j<=m;j++){
        if(us[i][j]==1)p[i][j]=p[i][j-1];
        else if(us[i][j-1]==0&&j>1)p[i][j]=p[i][j-1];
        else p[i][j]=p[i][j-1]+1;
      }
    }
}

void dfs(int r,int c){
  used[r][c]=1;
  //cout<<r<<" "<<c<<endl;
  for(int i=0;i<4;i++){
    int nx=r+dx[i],ny=c+dy[i];
    if(used[nx][ny])continue;
    dfs(nx,ny);
  }
}

int colour(int ar, int ac, int br, int bc) {
    if(ar==br){
      return p[ar][bc]-p[ar][ac-1]+(us[ar][ac]==0&&us[ar][ac-1]==0);
    }
    else{
      return cnt[bc]-cnt[ac-1]+((msk[ac]&msk[ac-1])!=0);
    }
 /* else if(max(n,m)<=50){
    int ans=0;
    for(int i=0;i<=n+1;i++){
      for(int j=0;j<=m+1;j++){
        if(ar<=i&&i<=br&&ac<=j&&j<=bc){
          used[i][j]=0;
          continue;
        }
        used[i][j]=1;
      }
    }
    int sr=x,sc=y;
    used[sr][sc]=1;
    for(int i=0;i<sz(s);i++){
      if(s[i]=='N')sr--;
      if(s[i]=='S')sr++;
      if(s[i]=='W')sc--;
      if(s[i]=='E')sc++;
      used[sr][sc]=1;
    }

    for(int i=ar;i<=br;i++){
      for(int j=ac;j<=bc;j++){
        if(!used[i][j]){
          dfs(i,j);
          //cout<<endl;
          ans++;
        }
      }
    }
    return ans;
  }*/
}

/*static int R, C, M, Q;
static int sr, sc;
static char S[100000 + 5];

int main() {
    scanf("%d %d %d %d", &R, &C, &M, &Q);
    scanf("%d %d", &sr, &sc);
    if (M > 0) {
        scanf(" %s ", S);
    }

    init(R, C, sr, sc, M, S);

    int query;
    for (query = 0; query < Q; query++) {
        int ar, ac, br, bc;
        scanf("%d %d %d %d", &ar, &ac, &br, &bc);
        printf("%d\n", colour(ar, ac, br, bc));
    }

    return 0;
}*/

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 76 ms 4344 KB Output is correct
4 Correct 77 ms 7416 KB Output is correct
5 Correct 84 ms 7544 KB Output is correct
6 Correct 77 ms 7420 KB Output is correct
7 Correct 79 ms 7368 KB Output is correct
8 Correct 77 ms 7288 KB Output is correct
9 Correct 77 ms 7416 KB Output is correct
10 Correct 87 ms 7416 KB Output is correct
11 Correct 96 ms 7284 KB Output is correct
12 Correct 66 ms 7288 KB Output is correct
13 Correct 68 ms 7420 KB Output is correct
14 Correct 68 ms 7340 KB Output is correct
15 Correct 63 ms 7288 KB Output is correct
16 Correct 96 ms 7288 KB Output is correct

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Runtime error 8 ms 760 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -

Subtask #4
0 / 27.0

# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -