제출 #648447

#제출 시각아이디문제언어결과실행 시간메모리
648447ghostwriterGrowing Vegetables is Fun 4 (JOI21_ho_t1)C++14
100 / 100
35 ms6176 KiB
#include <bits/stdc++.h> using namespace std; #ifdef LOCAL #include <debug.h> #else #define debug(...) #endif #define ft front #define bk back #define st first #define nd second #define ins insert #define ers erase #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 bg begin #define ed end #define all(x) (x).bg(), (x).ed() #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 FRN(i, n) for (int (i) = 0; (i) < (n); ++(i)) #define FSN(i, n) for (int (i) = (n) - 1; (i) >= 0; --(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); } /* ---------------------------------------------------------------- END OF TEMPLATE ---------------------------------------------------------------- Tran The Bao - ghostwriter Training for VOI23 gold medal ---------------------------------------------------------------- DIT ME CHUYEN BAO LOC ---------------------------------------------------------------- */ const ll oo = 1e18; const int N = 2e5 + 5; int n, a[N]; ll d[N], d1[N], rs = oo; 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; FOR(i, 1, n) cin >> a[i]; FOR(i, 1, n) d[i] = d[i - 1] + max(0, a[i - 1] + 1 - a[i]); FOS(i, n, 1) d1[i] = d1[i + 1] + max(0, a[i + 1] + 1 - a[i]); FOR(i, 1, n) rs = min(rs, max(d[i], d1[i])); cout << rs; return 0; } /* ---------------------------------------------------------------- From Benq: stuff you should look for * int overflow, array bounds * special cases (n=1?) * do smth instead of nothing and stay organized * WRITE STUFF DOWN * DON'T GET STUCK ON ONE APPROACH ---------------------------------------------------------------- */

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:32:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   32 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
Main.cpp:60:5: note: in expansion of macro 'FOR'
   60 |     FOR(i, 1, n) cin >> a[i];
      |     ^~~
Main.cpp:32:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   32 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
Main.cpp:61:5: note: in expansion of macro 'FOR'
   61 |     FOR(i, 1, n) d[i] = d[i - 1] + max(0, a[i - 1] + 1 - a[i]);
      |     ^~~
Main.cpp:33:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   33 | #define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
      |                               ^
Main.cpp:62:5: note: in expansion of macro 'FOS'
   62 |     FOS(i, n, 1) d1[i] = d1[i + 1] + max(0, a[i + 1] + 1 - a[i]);
      |     ^~~
Main.cpp:32:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   32 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
Main.cpp:63:5: note: in expansion of macro 'FOR'
   63 |     FOR(i, 1, n) rs = min(rs, max(d[i], d1[i]));
      |     ^~~
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