답안 #952347

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
952347	2024-03-23T15:20:46 Z	wood	DNA 돌연변이 (IOI21_dna)	C++17	컴파일 오류	0 ms	0 KB

dna

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<ll, ll> p32;
typedef pair<ll, ll> p64;
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define fast_cin() ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define MOD %1000000007

vector<ll> pref_b;
vector<ll> pref_a;
vector<ll> pref_b2;
vector<ll> pref_a2;
vector<ll> matchpref;
void init(string a, string b) {
    ll n = a.size();
    pref_a.resize(n+1);
    pref_b.resize(n+1);
    pref_a2.resize(n+1);
    pref_b2.resize(n+1);
    matchpref.resize(n+1);
    for (size_t i = 0; i < a.size(); i++) {
        pref_a[i + 1] = pref_a[i] + (a[i] == 'A');
        pref_b[i + 1] = pref_b[i] + (b[i] == 'A');
        pref_a2[i + 1] = pref_a2[i] + (a[i] == 'T');
        pref_b2[i + 1] = pref_b2[i] + (b[i] == 'T');
        matchpref[i + 1] = matchpref[i]+(((a[i] == 'A') && (b[i] != 'A'))||((a[i]=='T')&&(b[i]=='C')));
    }
}

ll get_distance(int x, int y) {
    if ((pref_a[y + 1] - pref_a[x] != pref_b[y + 1] - pref_b[x])||(pref_a2[y+1]-pref_a2[x]!= pref_b2[y+1]-pref_b2[x])) {
        return -1;
    }
    else return (matchpref[y + 1] - matchpref[x]);
}
#ifndef ONLINE_JUDGE
int main()
{
    freopen("input.in", "r", stdin);
    freopen("input.out", "w", stdout);
    fast_cin();
    string s1,s2; cin>>s1>>s2;
    init(s1,s2);
    cout<<get_distance(0,1)<<'\n';
    return 0;
}
#endif

Compilation message

dna.cpp: In function 'int main()':
dna.cpp:44:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |     freopen("input.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
dna.cpp:45:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   45 |     freopen("input.out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccbCzBKf.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc1hTP9e.o:dna.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status