oj.uz

Submission #450441

# Submission time Handle Problem Language Result Execution time Memory
450441 2021-08-02T21:43:36 Z nickmet2004 구간 성분 (KOI15_interval) C++11
69 / 100
 148 ms 25488 KB 
#include<bits/stdc++.h>
#define f first
#define s second
#define int long long
using namespace std;
const int N = 2005;
int A = 987654323;
int B = 1e9 + 7;
string s , t;
int pw1[27];
vector<int> a[N] , b[N];
main (){
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> s >> t;
    int n = s.size() , m = t.size();
    pw1[0] =1;
    for(int i = 1; i < 26; ++i) pw1[i] = pw1[i - 1] * A % B;
    for(int i = 0; i < n; ++i){
        int x= 0;
        for(int j = i; j < n; ++j){
            x += pw1[s[j] - 'a'];
            if(x>=B)x-=B;
            a[j - i + 1].emplace_back(x);
        }
    }
    for(int i = 0; i < m; ++i){
        int x= 0;
        for(int j = i; j < m; ++j){
            x += pw1[t[j] - 'a'];
            if(x>=B)x-=B;
            b[j - i + 1].emplace_back(x);
        }
    }
    for(int i = min(n , m); ~i; --i){
        sort(a[i].begin() , a[i].end());
        sort(b[i].begin() , b[i].end());
        int k = 0;
        for(int j= 0; j <a[i].size(); ++j){
            while(a[i][j] > b[i][k] && k < b[i].size())++k;
            if(a[i][j] == b[i][k]){cout << i << endl; return 0;}
        }
    }cout << 0;



}

Compilation message

interval.cpp:12:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   12 | main (){
      | ^~~~
interval.cpp: In function 'int main()':
interval.cpp:38:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |         for(int j= 0; j <a[i].size(); ++j){
      |                       ~~^~~~~~~~~~~~
interval.cpp:39:42: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |             while(a[i][j] > b[i][k] && k < b[i].size())++k;
      |                                        ~~^~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 460 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 2636 KB Output is correct
2 Correct 9 ms 2636 KB Output is correct
3 Correct 4 ms 3020 KB Output is correct
4 Correct 4 ms 3020 KB Output is correct
5 Correct 15 ms 3112 KB Output is correct

Subtask #3
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 11108 KB Output is correct
2 Correct 64 ms 11092 KB Output is correct
3 Correct 65 ms 11124 KB Output is correct
4 Correct 64 ms 11104 KB Output is correct
5 Correct 63 ms 11084 KB Output is correct
6 Incorrect 46 ms 11084 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 16600 KB Output is correct
2 Correct 136 ms 24900 KB Output is correct
3 Correct 123 ms 25240 KB Output is correct
4 Correct 34 ms 25488 KB Output is correct
5 Correct 148 ms 24872 KB Output is correct