oj.uz

Submission #971438

# Submission time Handle Problem Language Result Execution time Memory
971438 2024-04-28T13:53:12 Z Acanikolic Crossing (JOI21_crossing) C++14
26 / 100
 7000 ms 13372 KB 
#include <bits/stdc++.h>

#define int long long

using namespace std;

const int P = 31;

const int mod = 1e9 + 7;

string resi(string a,string b) {
    string res;
    for(int i = 0; i < a.size(); i++) res += 'J';
    for(int i = 1; i < a.size(); i++) {
        if(a[i] == b[i]) res[i] = a[i];
        else {
            bool J = false,O = false,I = false;
            if(a[i] == 'J' || b[i] == 'J') J = true;
            if(a[i] == 'O' || b[i] == 'O') O = true;
            if(a[i] == 'I' || b[i] == 'I') I = true;
            if(!J) res[i] = 'J';
            else if(!O) res[i] = 'O';
            else res[i] = 'I';
        }
    }
    return res;
}

int add(int a,int b) {
    return (a + b) % mod;
}

int mul(int a,int b) {
    return (a * b) % mod;
}

struct hes {
    // h[i] = h[i - 1] + (pw[i] * s[i] - 'a' + 1)
    string s;
    vector<int>pw,val;
    void build(string t,int n) {
        s = t;
        pw.resize(n + 1);
        val.resize(n + 1);
        pw[0] = 1;
        for(int i = 1; i <= n; i++) pw[i] = mul(pw[i - 1],P);
        for(int i = 1; i <= n; i++) val[i] = add(val[i - 1],mul(pw[i],(s[i] - 'A' + 1)));
    }
};

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    int n;
    cin >> n;
    set<string>st;
    string a,b,c;
    cin >> a >> b >> c;
    a = '.' + a;
    b = '.' + b;
    c = '.' + c;
    st.insert(a);
    st.insert(b);
    st.insert(c);
    st.insert(resi(a,c));
    st.insert(resi(b,c));
    st.insert(resi(a,b));
    st.insert(resi(resi(a,b),c));
    st.insert(resi(resi(b,a),c));
    st.insert(resi(resi(c,a),b));
    st.insert(resi(resi(a,c),b));
    st.insert(resi(resi(b,c),a));
    st.insert(resi(resi(c,b),a));
    vector<string>vec;
    for(auto X : st) vec.push_back(X);
    int K = vec.size();
    vector<hes>niz(K);
    for(int i = 0; i < K; i++) {
        niz[i].build(vec[i],n);
    }
    int Q;
    cin >> Q;
    string str;
    cin >> str;
    str = '.' + str;
    hes T;
    T.build(str,n);
    bool ok = false;
    for(int i = 0; i < K; i++) if(T.val[n] == niz[i].val[n]) ok = true;
    cout << (ok ? "Yes\n" : "No\n");
    while(Q--) {
        int l,r;
        char c;
        cin >> l >> r >> c;
        for(int i = l; i <= r; i++) str[i] = c;
        T.build(str,n);
        bool ok = false;
        for(int i = 0; i < K; i++) if(T.val[n] == niz[i].val[n]) ok = true;
        cout << (ok ? "Yes\n" : "No\n");
    }
}
/*
JOJO
JJOI
OJOO

a ^ b
a ^ c
b ^ c

a ^ a ^ b = b
a ^ a ^ c = c
a ^ b ^ c novo

b ^ a ^ b = a
b ^ a ^ c =
*/

Compilation message

Main.cpp: In function 'std::string resi(std::string, std::string)':
Main.cpp:13:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(int i = 0; i < a.size(); i++) res += 'J';
      |                    ~~^~~~~~~~~~
Main.cpp:14:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for(int i = 1; i < a.size(); i++) {
      |                    ~~^~~~~~~~~~
Main.cpp:17:38: warning: variable 'I' set but not used [-Wunused-but-set-variable]
   17 |             bool J = false,O = false,I = false;
      |                                      ^

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 180 ms 2220 KB Output is correct
2 Correct 231 ms 2384 KB Output is correct
3 Correct 240 ms 2456 KB Output is correct
4 Correct 220 ms 2376 KB Output is correct
5 Correct 206 ms 2484 KB Output is correct
6 Correct 212 ms 2464 KB Output is correct
7 Correct 178 ms 2316 KB Output is correct
8 Correct 231 ms 2508 KB Output is correct
9 Correct 237 ms 2584 KB Output is correct
10 Correct 237 ms 2468 KB Output is correct
11 Correct 230 ms 2416 KB Output is correct
12 Correct 238 ms 2388 KB Output is correct
13 Correct 237 ms 2520 KB Output is correct
14 Correct 231 ms 2468 KB Output is correct
15 Correct 234 ms 2584 KB Output is correct
16 Correct 237 ms 2436 KB Output is correct
17 Correct 235 ms 2468 KB Output is correct
18 Correct 258 ms 2384 KB Output is correct

Subtask #2
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 180 ms 2220 KB Output is correct
2 Correct 231 ms 2384 KB Output is correct
3 Correct 240 ms 2456 KB Output is correct
4 Correct 220 ms 2376 KB Output is correct
5 Correct 206 ms 2484 KB Output is correct
6 Correct 212 ms 2464 KB Output is correct
7 Correct 178 ms 2316 KB Output is correct
8 Correct 231 ms 2508 KB Output is correct
9 Correct 237 ms 2584 KB Output is correct
10 Correct 237 ms 2468 KB Output is correct
11 Correct 230 ms 2416 KB Output is correct
12 Correct 238 ms 2388 KB Output is correct
13 Correct 237 ms 2520 KB Output is correct
14 Correct 231 ms 2468 KB Output is correct
15 Correct 234 ms 2584 KB Output is correct
16 Correct 237 ms 2436 KB Output is correct
17 Correct 235 ms 2468 KB Output is correct
18 Correct 258 ms 2384 KB Output is correct
19 Execution timed out 7102 ms 13372 KB Time limit exceeded
20 Halted 0 ms 0 KB -

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 180 ms 2220 KB Output is correct
2 Correct 231 ms 2384 KB Output is correct
3 Correct 240 ms 2456 KB Output is correct
4 Correct 220 ms 2376 KB Output is correct
5 Correct 206 ms 2484 KB Output is correct
6 Correct 212 ms 2464 KB Output is correct
7 Correct 178 ms 2316 KB Output is correct
8 Correct 231 ms 2508 KB Output is correct
9 Correct 237 ms 2584 KB Output is correct
10 Correct 237 ms 2468 KB Output is correct
11 Correct 230 ms 2416 KB Output is correct
12 Correct 238 ms 2388 KB Output is correct
13 Correct 237 ms 2520 KB Output is correct
14 Correct 231 ms 2468 KB Output is correct
15 Correct 234 ms 2584 KB Output is correct
16 Correct 237 ms 2436 KB Output is correct
17 Correct 235 ms 2468 KB Output is correct
18 Correct 258 ms 2384 KB Output is correct
19 Correct 222 ms 2256 KB Output is correct
20 Correct 244 ms 2896 KB Output is correct
21 Correct 232 ms 2540 KB Output is correct
22 Correct 153 ms 2360 KB Output is correct
23 Correct 234 ms 2896 KB Output is correct
24 Correct 202 ms 2472 KB Output is correct
25 Correct 232 ms 2424 KB Output is correct
26 Correct 169 ms 2388 KB Output is correct
27 Correct 237 ms 2600 KB Output is correct
28 Correct 198 ms 2640 KB Output is correct
29 Correct 232 ms 2388 KB Output is correct
30 Correct 154 ms 2184 KB Output is correct
31 Correct 237 ms 2572 KB Output is correct
32 Correct 220 ms 2540 KB Output is correct
33 Correct 233 ms 2488 KB Output is correct
34 Correct 164 ms 2268 KB Output is correct
35 Correct 233 ms 2388 KB Output is correct
36 Correct 234 ms 2644 KB Output is correct
37 Correct 233 ms 2544 KB Output is correct
38 Correct 231 ms 2452 KB Output is correct
39 Correct 233 ms 2568 KB Output is correct
40 Correct 232 ms 2444 KB Output is correct
41 Correct 235 ms 2812 KB Output is correct
42 Correct 237 ms 2524 KB Output is correct
43 Correct 182 ms 2360 KB Output is correct
44 Correct 236 ms 2592 KB Output is correct

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 180 ms 2220 KB Output is correct
2 Correct 231 ms 2384 KB Output is correct
3 Correct 240 ms 2456 KB Output is correct
4 Correct 220 ms 2376 KB Output is correct
5 Correct 206 ms 2484 KB Output is correct
6 Correct 212 ms 2464 KB Output is correct
7 Correct 178 ms 2316 KB Output is correct
8 Correct 231 ms 2508 KB Output is correct
9 Correct 237 ms 2584 KB Output is correct
10 Correct 237 ms 2468 KB Output is correct
11 Correct 230 ms 2416 KB Output is correct
12 Correct 238 ms 2388 KB Output is correct
13 Correct 237 ms 2520 KB Output is correct
14 Correct 231 ms 2468 KB Output is correct
15 Correct 234 ms 2584 KB Output is correct
16 Correct 237 ms 2436 KB Output is correct
17 Correct 235 ms 2468 KB Output is correct
18 Correct 258 ms 2384 KB Output is correct
19 Execution timed out 7102 ms 13372 KB Time limit exceeded
20 Halted 0 ms 0 KB -