제출 #720825

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
720825		spike1236	DNA 돌연변이 (IOI21_dna)	C++17	35 / 100	37 ms	5300 KiB

dna

#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
using namespace std;
// using namespace __gnu_pbds;
#define pb push_back
#define mp make_pair
#define f first
#define s second
#define ll long long
#define ld long double
#define all(_v) _v.begin(), _v.end()
#define sz(_v) (int)_v.size()
#define pii pair <int, int>
#define pll pair <ll, ll>
#define veci vector <int>
#define vecll vector <ll>

// template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
// mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
// mt19937_64 rnd64(chrono::steady_clock::now().time_since_epoch().count());

const int dx[4] = {1, -1, 0, 0};
const int dy[4] = {0, 0, -1, 1};
const double PI = 3.141592653589793;
const double eps = 1e-9;
const int MOD1 = 1e9 + 7;
const int MOD2 = 998244353;

const int MAXN = 1e5 + 10;
int cnt[MAXN][7];

void init(string a, string b) {
    for(int i = 0; i < a.size(); ++i) {
        if(a[i] == 'A') cnt[i+1][0]++;
        if(a[i] == 'T') cnt[i+1][1]++;
        if(a[i] == 'C') cnt[i+1][2]++;
        if(b[i] == 'A') cnt[i+1][3]++;
        if(b[i] == 'T') cnt[i+1][4]++;
        if(b[i] == 'C') cnt[i+1][5]++;
        cnt[i+1][6] += (a[i] != b[i]);
        for(int j = 0; j < 7; ++j) cnt[i + 1][j] += cnt[i][j];
    }
}

int get_distance(int x, int y) {
    ++x;
    ++y;
    for(int j = 0; j < 3; ++j) {
        if(cnt[y][j] - cnt[x - 1][j] != cnt[y][j + 3] - cnt[x - 1][j + 3]) return -1;
    }
    return (cnt[y][6] - cnt[x - 1][6]) / 2;
}

// void solve() {
//     init("ATACAT", "ACTATA");
//     cout << get_distance(1, 3) << '\n';
//     cout << get_distance(4, 5) << '\n';
//     cout << get_distance(3, 5) << '\n';
// }

// int main() {
//     ios_base::sync_with_stdio(0);
//     cin.tie(0);
//     cout.tie(0);
//     int CNT_TESTS = 1;
//     // cin >> CNT_TESTS;
//     for(int NUMCASE = 1; NUMCASE <= CNT_TESTS; ++NUMCASE) {
//         solve();
//         if(NUMCASE != CNT_TESTS) cout << '\n';
//     }
//     return 0;
// }

컴파일 시 표준 에러 (stderr) 메시지

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:34:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     for(int i = 0; i < a.size(); ++i) {
      |                    ~~^~~~~~~~~~

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