oj.uz

Submission #620030

# Submission time Handle Problem Language Result Execution time Memory
620030 2022-08-02T19:18:13 Z APROHACK Crossing (JOI21_crossing) C++14
49 / 100
 7000 ms 25140 KB 
#include <bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
#define pb push_back
using namespace std;
string a, b, c, x;
vector<string>strings;
set<string>st;

ll n, q;
struct crossing
{
    int dd, ht, mid;
    char toProp;
    bool faltaprop;
    bool allJ, allO, allI, iscorrect;
    crossing *L, *R;
    crossing(){}
    crossing(int l, int r){
        dd = l, ht = r;
        mid = (dd+ht)/2;
        if(l!=r){
            L = new crossing(l, mid);
            R = new crossing(mid+1, r);
            allJ = L->allJ && R->allJ;
            allO = L->allO && R->allO;
            allI = L->allI && R->allI;
            iscorrect = L->iscorrect && R->iscorrect;
        }else{
            allJ = a[dd] == 'J';
            allO = a[dd] == 'O';
            allI = a[dd] == 'I';
            if(a[dd]==x[dd])iscorrect = true;
        }
    }
    void propagate(){
        if(!faltaprop)return;
        L->insert(dd, mid, toProp);
        R->insert(mid+1, ht, toProp);
        iscorrect = L->iscorrect && R->iscorrect;
        faltaprop=false;
    }
    void insert(int l, int r, char cual){
       // cout << dd << " " << ht << " " << l << " " << r << endl;
        if(dd == l && r==ht ){
            if(cual == 'J' && allJ)iscorrect = true;
            else if(cual == 'O'&&allO)iscorrect=true;
            else if(cual == 'I' && allI)iscorrect = true;
            else iscorrect=false;
            //no hace falta propagar lo que hay aca
            toProp = cual;
            faltaprop = true;
            return ;
        }
        propagate();
        if(r<=mid)L->insert(l, r, cual);
        else if(mid<l)R->insert(l, r, cual);
        else {
            L->insert(l, mid, cual);
            R->insert(mid+1, r, cual);
        }
        iscorrect = L->iscorrect && R->iscorrect;
    }

};
bool join(int a, int b){
    string nueva="";
    //cout << a << " " << b << endl;
    for(int i = 0 ; i < n ; i++){
        if(strings[a][i]==strings[b][i]){
            nueva+=strings[a][i];
        }else {
            if((strings[a][i]=='J' && strings[b][i]=='O' )|| (strings[b][i]=='J' && strings[a][i]=='O'))nueva+="I";
            else if((strings[a][i]=='I' && strings[b][i]=='O') || (strings[b][i]=='I' && strings[a][i]=='O'))nueva+="J";
            else if((strings[a][i]=='I' && strings[b][i]=='J') || (strings[b][i]=='I' && strings[a][i]=='J'))nueva+="O";
        }
    }
    if(st.find(nueva)==st.end()){
        //cout << nueva << endl;
        st.insert(nueva);
        strings.pb(nueva);
    }else{
        return false;
    }
    return true;
}
void calculateString(){
    bool ans = true;
    while(ans){
        ans = false;
        int gen = strings.size();
        for(int i = 0 ; i < gen-1; i++){
            for(int j = i+1 ; j < gen ; j++){
                if(join(i, j))ans = true;
            }
        }
    }
}
void querys(){
    cin>>q;
    cin>>x;
    if(st.find(x)!=st.end())cout<<"Yes\n";
    else cout << "No\n";
    int l, r;
    char c;
    for(int i = 0 ;i  < q ; i++){
        cin>>l>>r>>c;
        for(int i = l-1 ; i <= r-1 ; i++){
            x[i]=c;
        }
        //cout << "ask "<<x<<endl;
        if(st.find(x)!=st.end())cout<<"Yes\n";
        else cout << "No\n";
    }
}
crossing *seg;
bool askforX(){
    seg = new crossing(0, n-1);
    return seg->iscorrect;
}
void input(){
    //cin.tie(0);
    //cout.tie(0);
    //ios_base::sync_with_stdio(false);
    cin>>n;
    cin>>a>>b>>c;

    strings.pb(a);
    strings.pb(b);
    strings.pb(c);
    st.insert(a);
    st.insert(b);
    st.insert(c);
    if(st.size()>=2){
        calculateString();
        querys();
    }else{
    cin>>q;
    cin>>x;
    if(askforX())cout << "Yes" << endl;
    else cout << "No" << endl;
    ll l, r;
    char value;
    for(int i = 0 ; i < q ; i++){
        cin>>l>>r>>value;
        seg->insert(l-1, r-1, value);
        if(seg->iscorrect)cout<<"Yes" << endl;
        else cout << "No" << endl;
    }
    }
}

int main(){
    input();

}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 326 ms 2160 KB Output is correct
2 Correct 355 ms 2256 KB Output is correct
3 Correct 340 ms 2200 KB Output is correct
4 Correct 371 ms 2316 KB Output is correct
5 Correct 339 ms 2220 KB Output is correct
6 Correct 331 ms 2248 KB Output is correct
7 Correct 328 ms 2292 KB Output is correct
8 Correct 346 ms 2232 KB Output is correct
9 Correct 341 ms 2288 KB Output is correct
10 Correct 352 ms 2264 KB Output is correct
11 Correct 336 ms 2220 KB Output is correct
12 Correct 345 ms 2212 KB Output is correct
13 Correct 354 ms 2276 KB Output is correct
14 Correct 348 ms 2264 KB Output is correct
15 Correct 345 ms 2240 KB Output is correct
16 Correct 351 ms 2248 KB Output is correct
17 Correct 339 ms 2176 KB Output is correct
18 Correct 356 ms 2244 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 326 ms 2160 KB Output is correct
2 Correct 355 ms 2256 KB Output is correct
3 Correct 340 ms 2200 KB Output is correct
4 Correct 371 ms 2316 KB Output is correct
5 Correct 339 ms 2220 KB Output is correct
6 Correct 331 ms 2248 KB Output is correct
7 Correct 328 ms 2292 KB Output is correct
8 Correct 346 ms 2232 KB Output is correct
9 Correct 341 ms 2288 KB Output is correct
10 Correct 352 ms 2264 KB Output is correct
11 Correct 336 ms 2220 KB Output is correct
12 Correct 345 ms 2212 KB Output is correct
13 Correct 354 ms 2276 KB Output is correct
14 Correct 348 ms 2264 KB Output is correct
15 Correct 345 ms 2240 KB Output is correct
16 Correct 351 ms 2248 KB Output is correct
17 Correct 339 ms 2176 KB Output is correct
18 Correct 356 ms 2244 KB Output is correct
19 Correct 656 ms 23428 KB Output is correct
20 Correct 552 ms 22500 KB Output is correct
21 Correct 540 ms 21260 KB Output is correct
22 Correct 517 ms 19224 KB Output is correct
23 Correct 394 ms 3164 KB Output is correct
24 Correct 406 ms 3168 KB Output is correct
25 Correct 558 ms 22536 KB Output is correct
26 Correct 602 ms 22416 KB Output is correct
27 Correct 565 ms 22552 KB Output is correct
28 Correct 595 ms 22488 KB Output is correct
29 Correct 543 ms 21932 KB Output is correct
30 Correct 419 ms 3220 KB Output is correct
31 Correct 553 ms 22428 KB Output is correct
32 Correct 547 ms 20672 KB Output is correct
33 Correct 417 ms 3256 KB Output is correct
34 Correct 637 ms 22528 KB Output is correct
35 Correct 566 ms 17208 KB Output is correct
36 Correct 418 ms 3148 KB Output is correct
37 Correct 396 ms 3108 KB Output is correct
38 Correct 518 ms 22480 KB Output is correct
39 Correct 447 ms 22520 KB Output is correct
40 Correct 508 ms 17584 KB Output is correct
41 Correct 622 ms 25140 KB Output is correct
42 Correct 423 ms 24336 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 326 ms 2160 KB Output is correct
2 Correct 355 ms 2256 KB Output is correct
3 Correct 340 ms 2200 KB Output is correct
4 Correct 371 ms 2316 KB Output is correct
5 Correct 339 ms 2220 KB Output is correct
6 Correct 331 ms 2248 KB Output is correct
7 Correct 328 ms 2292 KB Output is correct
8 Correct 346 ms 2232 KB Output is correct
9 Correct 341 ms 2288 KB Output is correct
10 Correct 352 ms 2264 KB Output is correct
11 Correct 336 ms 2220 KB Output is correct
12 Correct 345 ms 2212 KB Output is correct
13 Correct 354 ms 2276 KB Output is correct
14 Correct 348 ms 2264 KB Output is correct
15 Correct 345 ms 2240 KB Output is correct
16 Correct 351 ms 2248 KB Output is correct
17 Correct 339 ms 2176 KB Output is correct
18 Correct 356 ms 2244 KB Output is correct
19 Correct 311 ms 2244 KB Output is correct
20 Correct 385 ms 2228 KB Output is correct
21 Correct 325 ms 2252 KB Output is correct
22 Correct 315 ms 2224 KB Output is correct
23 Correct 353 ms 2184 KB Output is correct
24 Correct 323 ms 2332 KB Output is correct
25 Correct 348 ms 2292 KB Output is correct
26 Correct 317 ms 2180 KB Output is correct
27 Correct 329 ms 2212 KB Output is correct
28 Correct 295 ms 2124 KB Output is correct
29 Correct 332 ms 2192 KB Output is correct
30 Correct 297 ms 2144 KB Output is correct
31 Correct 374 ms 2308 KB Output is correct
32 Correct 318 ms 2184 KB Output is correct
33 Correct 334 ms 2352 KB Output is correct
34 Correct 302 ms 2212 KB Output is correct
35 Correct 360 ms 2180 KB Output is correct
36 Correct 323 ms 2248 KB Output is correct
37 Correct 335 ms 2272 KB Output is correct
38 Correct 318 ms 2200 KB Output is correct
39 Correct 331 ms 2244 KB Output is correct
40 Correct 373 ms 2224 KB Output is correct
41 Correct 319 ms 2280 KB Output is correct
42 Correct 330 ms 2236 KB Output is correct
43 Correct 312 ms 2220 KB Output is correct
44 Correct 328 ms 2384 KB Output is correct

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 326 ms 2160 KB Output is correct
2 Correct 355 ms 2256 KB Output is correct
3 Correct 340 ms 2200 KB Output is correct
4 Correct 371 ms 2316 KB Output is correct
5 Correct 339 ms 2220 KB Output is correct
6 Correct 331 ms 2248 KB Output is correct
7 Correct 328 ms 2292 KB Output is correct
8 Correct 346 ms 2232 KB Output is correct
9 Correct 341 ms 2288 KB Output is correct
10 Correct 352 ms 2264 KB Output is correct
11 Correct 336 ms 2220 KB Output is correct
12 Correct 345 ms 2212 KB Output is correct
13 Correct 354 ms 2276 KB Output is correct
14 Correct 348 ms 2264 KB Output is correct
15 Correct 345 ms 2240 KB Output is correct
16 Correct 351 ms 2248 KB Output is correct
17 Correct 339 ms 2176 KB Output is correct
18 Correct 356 ms 2244 KB Output is correct
19 Correct 656 ms 23428 KB Output is correct
20 Correct 552 ms 22500 KB Output is correct
21 Correct 540 ms 21260 KB Output is correct
22 Correct 517 ms 19224 KB Output is correct
23 Correct 394 ms 3164 KB Output is correct
24 Correct 406 ms 3168 KB Output is correct
25 Correct 558 ms 22536 KB Output is correct
26 Correct 602 ms 22416 KB Output is correct
27 Correct 565 ms 22552 KB Output is correct
28 Correct 595 ms 22488 KB Output is correct
29 Correct 543 ms 21932 KB Output is correct
30 Correct 419 ms 3220 KB Output is correct
31 Correct 553 ms 22428 KB Output is correct
32 Correct 547 ms 20672 KB Output is correct
33 Correct 417 ms 3256 KB Output is correct
34 Correct 637 ms 22528 KB Output is correct
35 Correct 566 ms 17208 KB Output is correct
36 Correct 418 ms 3148 KB Output is correct
37 Correct 396 ms 3108 KB Output is correct
38 Correct 518 ms 22480 KB Output is correct
39 Correct 447 ms 22520 KB Output is correct
40 Correct 508 ms 17584 KB Output is correct
41 Correct 622 ms 25140 KB Output is correct
42 Correct 423 ms 24336 KB Output is correct
43 Correct 311 ms 2244 KB Output is correct
44 Correct 385 ms 2228 KB Output is correct
45 Correct 325 ms 2252 KB Output is correct
46 Correct 315 ms 2224 KB Output is correct
47 Correct 353 ms 2184 KB Output is correct
48 Correct 323 ms 2332 KB Output is correct
49 Correct 348 ms 2292 KB Output is correct
50 Correct 317 ms 2180 KB Output is correct
51 Correct 329 ms 2212 KB Output is correct
52 Correct 295 ms 2124 KB Output is correct
53 Correct 332 ms 2192 KB Output is correct
54 Correct 297 ms 2144 KB Output is correct
55 Correct 374 ms 2308 KB Output is correct
56 Correct 318 ms 2184 KB Output is correct
57 Correct 334 ms 2352 KB Output is correct
58 Correct 302 ms 2212 KB Output is correct
59 Correct 360 ms 2180 KB Output is correct
60 Correct 323 ms 2248 KB Output is correct
61 Correct 335 ms 2272 KB Output is correct
62 Correct 318 ms 2200 KB Output is correct
63 Correct 331 ms 2244 KB Output is correct
64 Correct 373 ms 2224 KB Output is correct
65 Correct 319 ms 2280 KB Output is correct
66 Correct 330 ms 2236 KB Output is correct
67 Correct 312 ms 2220 KB Output is correct
68 Correct 328 ms 2384 KB Output is correct
69 Execution timed out 7095 ms 8056 KB Time limit exceeded
70 Halted 0 ms 0 KB -