oj.uz

Submission #813185

# Submission time Handle Problem Language Result Execution time Memory
813185 2023-08-07T14:09:16 Z Cookie Crossing (JOI21_crossing) C++14
3 / 100
 7000 ms 44688 KB 
#include<bits/stdc++.h>
#include<fstream>
using namespace std;
ifstream fin("VNOICUP.INP");
ofstream fout("VNOICUP.OUT");
#define sz(a) (int)a.size()
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
const ld PI = 3.14159265359;
using u128 = __uint128_t;
//const int x[4] = {1, -1, 0, 0};
//const int y[4] = {0, 0, 1, -1};
ll mod = 1e9 + 9;
const int mxn = 2e5 + 5, mxq = 2e5 + 5, sq = 400, mxv = 2e5 + 5;
//const int base = (1 << 18);
const int inf = 1e9, neg = -69420;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll rr(ll l, ll r){
    return(uniform_int_distribution<ll>(l, r)(rng));
}

map<ll, int>mp;
int to[mxn + 1];
ll pw[mxn + 1], n, q;
string s[3], t;
string conv(string a, string b){
    string res = "";
    for(int i = 0; i < sz(a); i++){
        if(a[i] == b[i])res += a[i];
        else if(a[i] == 'J'){
            if(b[i] = 'O')res += 'I';
            else res += 'O';
        }else if(a[i] == 'O'){
            if(b[i] == 'J')res += 'I';
            else res += 'J';
        }else{
            if(b[i] == 'O')res += 'J';
            else res += 'O';
        }
    }
    return(res);
}
ll gethash(string s){
    ll ans = 0;
    for(int i = 0; i < sz(s); i++){
        ans += pw[i] * to[s[i]];
        ans %= mod;
    }
    return(ans);
}
void solve(string curr){
    ll val = gethash(curr);
    if(mp.find(val) != mp.end())return;
    mp[val] = 1;
    
    for(int i = 0; i < 3; i++){
        solve(conv(curr, s[i]));
    }
}
signed main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n;
    mod = rr(1e8, 1e9);
    pw[0] = 1;
    for(int i = 1; i <= n; i++){
        pw[i] = (pw[i - 1] * 3) % mod;
    }
    to['J'] = 0; to['O'] = 1; to['I'] = 2;
    cin >> s[0] >> s[1] >> s[2];
    vt<int>v;
    for(int i = 0; i < 3; i++){
        solve(s[i]);
    }
    
    
    cin >> q;
    cin >> t;
    ll ht = gethash(t);
    if(mp.find(ht) != mp.end())cout << "Yes";
    else cout << "No";
    cout << "\n";
    while(q--){
        int l, r; char c; cin >> l >> r >> c; l--; r--;
        for(int i = l; i <= r; i++)t[i] = c;
        ll ht = gethash(t);
        if(mp.find(ht) != mp.end())cout << "Yes";
        else cout << "No";
        cout << "\n";
    }
    
}

Compilation message

Main.cpp: In function 'std::string conv(std::string, std::string)':
Main.cpp:40:21: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   40 |             if(b[i] = 'O')res += 'I';
Main.cpp: In function 'long long int gethash(std::string)':
Main.cpp:55:31: warning: array subscript has type 'char' [-Wchar-subscripts]
   55 |         ans += pw[i] * to[s[i]];
      |                               ^

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 844 KB Output is correct
2 Correct 119 ms 936 KB Output is correct
3 Correct 133 ms 1032 KB Output is correct
4 Correct 114 ms 888 KB Output is correct
5 Correct 108 ms 908 KB Output is correct
6 Correct 110 ms 844 KB Output is correct
7 Correct 105 ms 844 KB Output is correct
8 Correct 121 ms 928 KB Output is correct
9 Correct 120 ms 940 KB Output is correct
10 Correct 120 ms 816 KB Output is correct
11 Correct 130 ms 888 KB Output is correct
12 Correct 125 ms 924 KB Output is correct
13 Correct 125 ms 884 KB Output is correct
14 Correct 121 ms 920 KB Output is correct
15 Correct 131 ms 812 KB Output is correct
16 Correct 132 ms 900 KB Output is correct
17 Correct 128 ms 872 KB Output is correct
18 Correct 136 ms 896 KB Output is correct

Subtask #2
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 844 KB Output is correct
2 Correct 119 ms 936 KB Output is correct
3 Correct 133 ms 1032 KB Output is correct
4 Correct 114 ms 888 KB Output is correct
5 Correct 108 ms 908 KB Output is correct
6 Correct 110 ms 844 KB Output is correct
7 Correct 105 ms 844 KB Output is correct
8 Correct 121 ms 928 KB Output is correct
9 Correct 120 ms 940 KB Output is correct
10 Correct 120 ms 816 KB Output is correct
11 Correct 130 ms 888 KB Output is correct
12 Correct 125 ms 924 KB Output is correct
13 Correct 125 ms 884 KB Output is correct
14 Correct 121 ms 920 KB Output is correct
15 Correct 131 ms 812 KB Output is correct
16 Correct 132 ms 900 KB Output is correct
17 Correct 128 ms 872 KB Output is correct
18 Correct 136 ms 896 KB Output is correct
19 Execution timed out 7024 ms 3516 KB Time limit exceeded
20 Halted 0 ms 0 KB -

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 844 KB Output is correct
2 Correct 119 ms 936 KB Output is correct
3 Correct 133 ms 1032 KB Output is correct
4 Correct 114 ms 888 KB Output is correct
5 Correct 108 ms 908 KB Output is correct
6 Correct 110 ms 844 KB Output is correct
7 Correct 105 ms 844 KB Output is correct
8 Correct 121 ms 928 KB Output is correct
9 Correct 120 ms 940 KB Output is correct
10 Correct 120 ms 816 KB Output is correct
11 Correct 130 ms 888 KB Output is correct
12 Correct 125 ms 924 KB Output is correct
13 Correct 125 ms 884 KB Output is correct
14 Correct 121 ms 920 KB Output is correct
15 Correct 131 ms 812 KB Output is correct
16 Correct 132 ms 900 KB Output is correct
17 Correct 128 ms 872 KB Output is correct
18 Correct 136 ms 896 KB Output is correct
19 Incorrect 1125 ms 44688 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 844 KB Output is correct
2 Correct 119 ms 936 KB Output is correct
3 Correct 133 ms 1032 KB Output is correct
4 Correct 114 ms 888 KB Output is correct
5 Correct 108 ms 908 KB Output is correct
6 Correct 110 ms 844 KB Output is correct
7 Correct 105 ms 844 KB Output is correct
8 Correct 121 ms 928 KB Output is correct
9 Correct 120 ms 940 KB Output is correct
10 Correct 120 ms 816 KB Output is correct
11 Correct 130 ms 888 KB Output is correct
12 Correct 125 ms 924 KB Output is correct
13 Correct 125 ms 884 KB Output is correct
14 Correct 121 ms 920 KB Output is correct
15 Correct 131 ms 812 KB Output is correct
16 Correct 132 ms 900 KB Output is correct
17 Correct 128 ms 872 KB Output is correct
18 Correct 136 ms 896 KB Output is correct
19 Execution timed out 7024 ms 3516 KB Time limit exceeded
20 Halted 0 ms 0 KB -