Submission #589621

#	Time	Username	Problem	Language	Result	Execution time	Memory
589621		Gabriel	Mutating DNA (IOI21_dna)	C++17	0 / 100	56 ms	8716 KiB

dna

#include "dna.h"
#include "bits/stdc++.h"
using namespace std;
vector<int> a1;
vector<int> c1;
vector<int> t1;
vector<int> a2;
vector<int> c2;
vector<int> t2;
vector<int> ac;
vector<int> at_;
vector<int> ta;
vector<int> tc;
vector<int> ca;
vector<int> ct;
vector<int> aa;
vector<int> cc;
vector<int> tt;
void init(string a, string b){
    a1.assign(a.size(), 0);
    c1.assign(a.size(), 0);
    t1.assign(a.size(), 0);
    a2.assign(a.size(), 0);
    c2.assign(a.size(), 0);
    t2.assign(a.size(), 0);
    ac.assign(a.size(), 0);
    at_.assign(a.size(), 0);
    ta.assign(a.size(), 0);
    tc.assign(a.size(), 0);
    ca.assign(a.size(), 0);
    ct.assign(a.size(), 0);
    aa.assign(a.size(), 0);
    cc.assign(a.size(), 0);
    tt.assign(a.size(), 0);
    for(int i = 0; i != a.size(); i++){
        switch(a[i]){
            case 'A':
            a1[i] = 1;
            break;
            case 'C':
            c1[i] = 1;
            break;
            case 'T':
            t1[i] = 1;
        }
        switch(b[i]){
            case 'A':
            a2[i] = 1;
            break;
            case 'C':
            c2[i] = 1;
            break;
            case 'T':
            t2[i] = 1;
        }
        if(a[i] == 'A' and b[i] == 'A'){
            aa[i] = 1;
        }
        if(a[i] == 'C' and b[i] == 'C'){
            cc[i] = 1;
        }
        if(a[i] == 'T' and b[i] == 'T'){
            tt[i] = 1;
        }
        if(a[i] == 'A' and b[i] == 'C'){
            ac[i] = 1;
        }
        if(a[i] == 'A' and b[i] == 'T'){
            at_[i] = 1;
        }
        if(a[i] == 'T' and b[i] == 'A'){
            ta[i] = 1;
        }
        if(a[i] == 'T' and b[i] == 'C'){
            tc[i] = 1;
        }
        if(a[i] == 'C' and b[i] == 'A'){
            ca[i] = 1;
        }
        if(a[i] == 'C' and b[i] == 'T'){
            ct[i] = 1;
        }
        if(i > 0){
            a1[i] += a1[i - 1];
        }
        if(i > 0){
            t2[i] += t2[i - 1];
        }
        if(i > 0){
            c2[i] += c2[i - 1];
        }
        if(i > 0){
            a2[i] += a2[i - 1];
        }
        if(i > 0){
            t1[i] += t1[i - 1];
        }
        if(i > 0){
            c1[i] += c1[i - 1];
        }
        if(i > 0) ct[i] += ct[i - 1];
        if(i > 0) tc[i] += tc[i - 1];
        if(i > 0) ca[i] += ca[i - 1];
        if(i > 0) ta[i] += ta[i - 1];
        if(i > 0) at_[i] += at_[i - 1];
        if(i > 0) tt[i] += tt[i - 1];
        if(i > 0) ac[i] += ac[i - 1];
        if(i > 0) aa[i] += aa[i - 1];
        if(i > 0) cc[i] += cc[i - 1];
    }
    /*for(int i = 0; i != a.size(); i++){
        cout<<a1[i]<<" "<<c1[i]<<" "<<t1[i]<<" "<<a2[i]<<" "<<c2[i]<<" "<<t2[i]<<" "<<ac[i]<<" "<<at_[i]<<" "<<ca[i]<<" "<<ct[i]<<" "<<ta[i]<<" "<<tc[i]<<" "<<aa[i]<<" "<<cc[i]<<" "<<tt[i]<<" "<<"\n";
    }*/
}
int get_distance(int x, int y){
    int res = 0;
    int sac = ac[y];
    if(x > 0) sac -= ac[x - 1];
    int sat = at_[y];
    if(x > 0) sat -= at_[x - 1];
    int sca = ca[y];
    if(x > 0) sca -= ca[x - 1];
    int sct = ct[y];
    if(x > 0) sct -= ct[x - 1];
    int sta = ta[y];
    if(x > 0) sta -= ta[x - 1];
    int stc = tc[y];
    if(x > 0) stc -= tc[x - 1];
    res = res + min(sac, sca);
    res = res + min(stc, sct);
    res = res + min(sat, sta);
    if(sac > sca){
        sac -= sca;
        sca = 0;
    } else {
        sca -= sac;
        sac = 0;
    }
    if(sct > stc){
        sct -= stc;
        stc = 0;
    } else {
        stc -= sct;
        sct = 0;
    }
    if(sta > sat){
        sta -= sat;
        sat = 0;
    } else {
        sat -= sta;
        sta = 0;
    }
    if((sat + sta + sct + stc + sca + sac)%3 != 0) return -1;
    else return res + (((sat + sta + sct + stc + sca + sac)/3) * 2);
}

Compilation message (stderr)

dna.cpp: In function 'void init(std::string, std::string)':
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.size(); i++){
      |                    ~~^~~~~~~~~~~

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