oj.uz

Submission #836140

# Submission time Handle Problem Language Result Execution time Memory
836140 2023-08-24T07:53:23 Z 089487 Sirtet (CCO19_day1problem2) C++14
16 / 25
 151 ms 123160 KB 
#include<bits/stdc++.h>
#define int long long
#define Get(i,j) ((i-1)*m+j)
#define quick ios::sync_with_stdio(0);cin.tie(0);
#define rep(x,a,b) for(int x=a;x<=b;x++)
#define repd(x,a,b) for(int x=a;x>=b;x--)
#define lowbit(x) (x&-x)
#define sz(x) (int)(x.size())
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define mp make_pair
#define eb emplace_back
using namespace std;
typedef pair<int,int> pii;
void debug(){
    cout<<"\n";
}
template <class T,class ... U >
void debug(T a, U ... b){
    cout<<a<<" ",debug(b...);
}
const int N=1e6+7;
const int INF=1e18;
int lp[N];
int lk[N];
int p[N];
int sz[N];
int add[N];
void init(int n){
    rep(i,1,n) p[i]=i,sz[i]=1,add[i]=INF,sz[i]=1;
}
int fp(int x){
    if(p[x]!=x) p[x]=fp(p[x]);
    return p[x];
}
void Union(int a,int b){
    a=fp(a),b=fp(b);
    if(sz[a]<sz[b]) swap(a,b);
    p[b]=a;
    sz[a]+=sz[b];
}
signed main(){
	quick
    double st=clock();
    int n,m;
    cin>>n>>m;
    vector<vector<bool> > v(n+5,vector<bool>(m+1));
    vector<vector<int> > f(n+5,vector<int>(m+1));
    init(n*m);
    rep(i,1,n){
        rep(j,1,m){
            char c;
            cin>>c;
            v[i][j]=(c=='#');
        }
    }
    rep(i,1,n){
        rep(j,1,m){
            if(!v[i][j]) continue;
            if(v[i-1][j]) Union(Get(i,j),Get(i-1,j));
            if(v[i][j-1]) Union(Get(i,j),Get(i,j-1));
        }
    }
    
    vector<pii> traverse;
    rep(t,1,3){
        rep(i,1,m) lp[i]=n+1,lk[i]=0;
        repd(i,n,1){
            rep(j,1,m) {
                if(!v[i][j]) continue;
                int k=fp(Get(i,j));
                add[k]=min(add[k],lp[j]+add[lk[j]]-i-1);
                lp[j]=i,lk[j]=k;
            }
        }
    }
    
    vector<vector<bool> > ans(n+5,vector<bool>(m+1));
    rep(i,1,n){
        rep(j,1,m){
            if(v[i][j]){
                int k=fp(Get(i,j));
                ans[i+add[k]][j]=1;
            }
        }
    }
    rep(i,1,n){
        rep(j,1,m) cout<<".#"[ans[i][j]];cout<<"\n";
        
    }
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:5:20: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
    5 | #define rep(x,a,b) for(int x=a;x<=b;x++)
      |                    ^~~
Main.cpp:89:9: note: in expansion of macro 'rep'
   89 |         rep(j,1,m) cout<<".#"[ans[i][j]];cout<<"\n";
      |         ^~~
Main.cpp:89:42: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   89 |         rep(j,1,m) cout<<".#"[ans[i][j]];cout<<"\n";
      |                                          ^~~~
Main.cpp:45:12: warning: unused variable 'st' [-Wunused-variable]
   45 |     double st=clock();
      |            ^~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 320 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 123160 KB Output is correct
2 Correct 147 ms 123124 KB Output is correct
3 Correct 151 ms 123120 KB Output is correct
4 Correct 146 ms 123096 KB Output is correct
5 Correct 131 ms 123096 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 320 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 144 ms 123160 KB Output is correct
25 Correct 147 ms 123124 KB Output is correct
26 Correct 151 ms 123120 KB Output is correct
27 Correct 146 ms 123096 KB Output is correct
28 Correct 131 ms 123096 KB Output is correct
29 Correct 53 ms 32432 KB Output is correct
30 Correct 53 ms 32420 KB Output is correct
31 Correct 50 ms 31080 KB Output is correct
32 Correct 30 ms 18744 KB Output is correct
33 Correct 63 ms 32332 KB Output is correct
34 Correct 58 ms 33156 KB Output is correct
35 Correct 57 ms 33144 KB Output is correct
36 Correct 59 ms 33268 KB Output is correct
37 Correct 55 ms 33228 KB Output is correct
38 Correct 54 ms 33204 KB Output is correct
39 Correct 51 ms 33368 KB Output is correct
40 Correct 56 ms 33044 KB Output is correct
41 Correct 58 ms 32972 KB Output is correct
42 Correct 60 ms 33064 KB Output is correct
43 Correct 55 ms 32964 KB Output is correct
44 Correct 56 ms 33012 KB Output is correct
45 Correct 45 ms 32976 KB Output is correct
46 Correct 57 ms 32972 KB Output is correct
47 Correct 53 ms 33052 KB Output is correct
48 Correct 62 ms 34820 KB Output is correct
49 Correct 66 ms 33036 KB Output is correct
50 Correct 60 ms 32060 KB Output is correct
51 Correct 90 ms 50664 KB Output is correct
52 Correct 112 ms 50668 KB Output is correct
53 Correct 82 ms 50668 KB Output is correct
54 Correct 90 ms 50776 KB Output is correct
55 Correct 93 ms 34412 KB Output is correct
56 Correct 78 ms 34420 KB Output is correct
57 Correct 58 ms 34404 KB Output is correct
58 Correct 69 ms 34420 KB Output is correct
59 Correct 80 ms 33064 KB Output is correct
60 Incorrect 79 ms 33056 KB Output isn't correct
61 Halted 0 ms 0 KB -