oj.uz

Submission #955578

# Submission time Handle Problem Language Result Execution time Memory
955578 2024-03-31T04:05:20 Z steveonalex Mutating DNA (IOI21_dna) C++17
35 / 100
 31 ms 8284 KB 
#include <bits/stdc++.h>
#include "dna.h"
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
 
#define MASK(i) (1ULL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
#define ALL(v) (v).begin(), (v).end()
 
ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
 
ll LASTBIT(ll mask){return (mask) & (-mask);}
int pop_cnt(ll mask){return __builtin_popcountll(mask);}
int ctz(ull mask){return __builtin_ctzll(mask);}
int logOf(ull mask){return 63 - __builtin_clzll(mask);}
 
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll rngesus(ll l, ll r){return l + (ull) rng() % (r - l + 1);}
 
template <class T1, class T2>
    bool maximize(T1 &a, T2 b){
        if (a < b) {a = b; return true;}
        return false;
    }
 
template <class T1, class T2>
    bool minimize(T1 &a, T2 b){
        if (a > b) {a = b; return true;}
        return false;
    }
 
template <class T>
    void printArr(T& container, string separator = " ", string finish = "\n", ostream &out = cout){
        for(auto item: container) out << item << separator;
        out << finish;
    }
 
template <class T>
    void remove_dup(vector<T> &a){
        sort(ALL(a));
        a.resize(unique(ALL(a)) - a.begin());
    }

int convert(char c){
    if (c == 'A') return 0;
    if (c == 'T') return 1;
    if (c == 'C') return 2;
    return 3;
}

const int N = 1e5 + 69;
int n;
int cnt[N][3];
int cnt_pair[N][3][3];
void init(string a, string b){
    n = a.size();
    for(int i = 1; i<=n; ++i){
        for(int j = 0; j<3; ++j) cnt[i][j] = cnt[i-1][j];
        cnt[i][convert(a[i-1])]++;
        cnt[i][convert(b[i-1])]--;

        for(int x = 0; x < 3; ++x) for(int y = 0; y < 3; ++y) cnt_pair[i][x][y] = cnt_pair[i-1][x][y];
        cnt_pair[i][convert(a[i-1])][convert(b[i-1])]++;
    }
}

int get_distance(int l, int r){
    l++; r++;
    for(int x = 0; x< 3; ++x) if (cnt[r][x] - cnt[l-1][x] != 0) return -1;

    int graph[3][3]; memset(graph, 0, sizeof graph);
    for(int x = 0; x < 3; ++x) for(int y = 0; y < 3; ++y) graph[x][y] = cnt_pair[r][x][y] - cnt_pair[l-1][x][y];

    int ans = 0;
    for(int x = 0; x < 3; ++x) for(int y = x + 1; y < 3; ++y) {
        int cur = min(graph[x][y], graph[y][x]);
        ans += cur;
        graph[x][y] -= cur; graph[y][x] -= cur;
    }
    for(int x = 0; x < 3; ++x) for(int y = 0; y < 3; ++y) if (y != x){
        int z = 3 - x - y;
        int cur = min({graph[0][x], graph[1][y], graph[2][z]});
        ans += cur * 2;
        graph[0][x] -= cur; graph[1][y] -= cur; graph[2][z] -= cur;
    }
    return ans;
}

// int main(void){
//     ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

//     init("ATACAT", "ACTATA");

//     cout << get_distance(1, 3) << "\n";
//     cout << get_distance(4, 5) << "\n";
//     cout << get_distance(3, 5) << "\n";
 
//     return 0;
// }

Subtask #1
0.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 7068 KB Output is correct
2 Correct 28 ms 7692 KB Output is correct
3 Incorrect 28 ms 7200 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 5 ms 5716 KB Output is correct
5 Correct 4 ms 5720 KB Output is correct
6 Correct 4 ms 5724 KB Output is correct
7 Correct 4 ms 5412 KB Output is correct
8 Correct 4 ms 5724 KB Output is correct
9 Correct 4 ms 5724 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 5 ms 5716 KB Output is correct
5 Correct 4 ms 5720 KB Output is correct
6 Correct 4 ms 5724 KB Output is correct
7 Correct 4 ms 5412 KB Output is correct
8 Correct 4 ms 5724 KB Output is correct
9 Correct 4 ms 5724 KB Output is correct
10 Correct 29 ms 7508 KB Output is correct
11 Correct 28 ms 7696 KB Output is correct
12 Correct 29 ms 7712 KB Output is correct
13 Correct 29 ms 7900 KB Output is correct
14 Correct 30 ms 8284 KB Output is correct
15 Correct 30 ms 7440 KB Output is correct
16 Correct 28 ms 7792 KB Output is correct
17 Correct 31 ms 7548 KB Output is correct
18 Correct 29 ms 8204 KB Output is correct
19 Correct 27 ms 7964 KB Output is correct
20 Correct 28 ms 7708 KB Output is correct
21 Correct 27 ms 8204 KB Output is correct

Subtask #4
0.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 5 ms 5716 KB Output is correct
5 Correct 4 ms 5720 KB Output is correct
6 Correct 4 ms 5724 KB Output is correct
7 Correct 4 ms 5412 KB Output is correct
8 Correct 4 ms 5724 KB Output is correct
9 Correct 4 ms 5724 KB Output is correct
10 Incorrect 4 ms 5212 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #5
0.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 7068 KB Output is correct
2 Correct 28 ms 7692 KB Output is correct
3 Incorrect 28 ms 7200 KB Output isn't correct
4 Halted 0 ms 0 KB -