제출 #1058864

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1058864		Thanhs	Kaučuk (COCI21_kaucuk)	C++14	50 / 50	1 ms	452 KiB

Main

#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define int long long
// #define double long double
 
#define endl '\n'
#define fastIO ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
#define setmin(x, y) x = min((x), (y))
#define setmax(x, y) x = max((x), (y))
#define sqr(x) ((x) * (x))
#define fi first
#define se second
#define all(x) x.begin(), x.end()
 
// mt19937 hdp(chrono::high_resolution_clock::now().time_since_epoch().count());
// int rand(int l, int r){return l + ((hdp() % (r - l + 1)) + r - l + 1) % (r - l + 1);}

const int NM = 1e5 + 5;
const int inf = 1e9;

int cnt[8];

void solve()
{
    int n;
    cin >> n;
    for (int i = 1; i <= n; i++)
    {
        string s, t;
        cin >> s >> t;
        if (s == "section")
        {
            cnt[0]++;
            cnt[1] = 0;
            cnt[2] = 0;
            cout << cnt[0] << ' ';
        }
        else if (s == "subsection")
        {
            cnt[1]++;
            cnt[2] = 0;
            cout << cnt[0] << '.' << cnt[1] << ' ';
        }
        else
        {
            cnt[2]++;
            cout << cnt[0] << '.' << cnt[1] << '.' << cnt[2] << ' ';
        }
        cout << t << endl;
    }
}

signed main()
{
    fastIO
    if (fopen("in.txt", "r")) 
    {
        freopen("in.txt", "r", stdin);
        freopen("out.txt", "w", stdout);
    }
    int tc = 1;
    // cin >> tc;
    while (tc--)
        solve();
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:60:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   60 |         freopen("in.txt", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
Main.cpp:61:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 |         freopen("out.txt", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20