Submission #567944

#	Time	Username	Problem	Language	Result	Execution time	Memory
567944		sdfsdfsddf	Mutating DNA (IOI21_dna)	C++17	0 / 100	30 ms	4116 KiB

dna

#include <bits/stdc++.h>
#include "dna.h"

using namespace std;

const int max_n = 10e5+7;
int literki1[max_n][2]{};
int literki2[max_n][2]{};
int do_zamiany[max_n]{};

void init(string a, string b){
    int a2 = 0, c= 0, t =0;
    //a  = 0 b = 1 c = 2
    for(int i = 0; i < a.length();i++){

        literki1[i][0] = a2;
        literki1[i][1] = c;
        literki1[i][2] = t;
        if(a[i] == 'A'){
            a2++;
            literki1[i][0] += 1;
        }
        else if(a[i] == 'C'){
            c++;
            literki1[i][1] += 1;
        }
        else{
            t++;
            literki1[i][2] += 1;
        }
    }
    a2 = 0;
    c = 0;
    t = 0;
    for(int i = 0; i < a.length();i++){

        literki2[i][0] = a2;
        literki2[i][1] = c;
        literki2[i][2] = t;
        if(b[i] == 'A'){
            a2++;
            literki2[i][0] += 1;
        }
        else if(b[i] == 'C'){
            c++;
            literki2[i][1] += 1;
        }
        else{
            t++;
            literki2[i][2] += 1;
        }
    }
    int ile_zmienic = 0;
    for(int i = 0; i < a.length();i++){
        if(a[i] != b[i])
            ile_zmienic++;
        do_zamiany[i] = ile_zmienic;
    }
}

int get_distance(int x, int y){

    int a1 = literki1[y][0]-literki1[x][0];
    int c1 = literki1[y][1]-literki1[x][1];
    int t1 = literki1[y][2]-literki1[x][2];

    int a2 = literki1[y][0]-literki1[x][0];
    int c2 = literki1[y][1]-literki1[x][1];
    int t2 = literki1[y][2]-literki1[x][2];

    if(a1 == a2 && c1 == c2 && t1 == t2){
        int wyjscie = (do_zamiany[y]-do_zamiany[x]+1)/2;
        return wyjscie;
    }
    else{
        return -1;
    }
    return 0;
}

Compilation message (stderr)

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:14:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for(int i = 0; i < a.length();i++){
      |                    ~~^~~~~~~~~~~~
dna.cpp:35:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |     for(int i = 0; i < a.length();i++){
      |                    ~~^~~~~~~~~~~~
dna.cpp:54:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |     for(int i = 0; i < a.length();i++){
      |                    ~~^~~~~~~~~~~~
dna.cpp:39:22: warning: array subscript 2 is above array bounds of 'int [2]' [-Warray-bounds]
   39 |         literki2[i][2] = t;
      |         ~~~~~~~~~~~~~^
dna.cpp:50:28: warning: array subscript 2 is above array bounds of 'int [2]' [-Warray-bounds]
   50 |             literki2[i][2] += 1;
      |             ~~~~~~~~~~~~~~~^~~~
dna.cpp:18:22: warning: array subscript 2 is above array bounds of 'int [2]' [-Warray-bounds]
   18 |         literki1[i][2] = t;
      |         ~~~~~~~~~~~~~^
dna.cpp:29:28: warning: array subscript 2 is above array bounds of 'int [2]' [-Warray-bounds]
   29 |             literki1[i][2] += 1;
      |             ~~~~~~~~~~~~~~~^~~~

• Subtask 1: 0 / 21
• Subtask 2: 0 / 22
• Subtask 3: 0 / 13
• Subtask 4: 0 / 28
• Subtask 5: 0 / 16