제출 #632513

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
632513		ghostwriter	Stove (JOI18_stove)	C++14	100 / 100	42 ms	6352 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include <debug.h>
#endif
#define st first
#define nd second
#define pb push_back
#define pf push_front
#define _pb pop_back
#define _pf pop_front
#define lb lower_bound
#define ub upper_bound
#define mtp make_tuple
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
typedef long long ll; typedef unsigned long long ull;
typedef double db; typedef long double ldb;
typedef pair<int, int> pi; typedef pair<ll, ll> pll;
typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pi> vpi; typedef vector<pll> vpll;
typedef string str;
template<typename T> T gcd(T a, T b) { return (b == 0? a : gcd(b, a % b)); }
template<typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; }
#define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
#define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
#define EACH(i, x) for (auto &(i) : (x))
#define WHILE while
#define file "TEST"
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
ll rand(ll l, ll r) { return uniform_int_distribution<ll>(l, r)(rd); }
/*
    Tran The Bao
    CTL - Da Lat
    Practising for VOI23 gold medal
*/
const int N = 1e5 + 1;
int n, k, t[N], rs = 0;
multiset<int> s;
signed main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    // freopen(file".inp", "r", stdin);
    // freopen(file".out", "w", stdout);
    cin >> n >> k;
    FOR(i, 1, n) cin >> t[i];
    FOR(i, 2, n) s.insert(t[i] - t[i - 1] - 1);
    rs = n;
    k = n - k;
    EACH(i, s)
    	if (k--) rs += i;
    	else break;
    cout << rs;
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

stove.cpp: In function 'int main()':
stove.cpp:24:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   24 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
stove.cpp:44:5: note: in expansion of macro 'FOR'
   44 |     FOR(i, 1, n) cin >> t[i];
      |     ^~~
stove.cpp:24:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   24 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
stove.cpp:45:5: note: in expansion of macro 'FOR'
   45 |     FOR(i, 2, n) s.insert(t[i] - t[i - 1] - 1);
      |     ^~~
stove.cpp:26:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   26 | #define EACH(i, x) for (auto &(i) : (x))
      |                               ^
stove.cpp:48:5: note: in expansion of macro 'EACH'
   48 |     EACH(i, s)
      |     ^~~~

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50