제출 #381660

#제출 시각아이디문제언어결과실행 시간메모리
381660usachevd0Growing Vegetables is Fun 4 (JOI21_ho_t1)C++14
100 / 100
33 ms8300 KiB
#include <bits/stdc++.h> using namespace std; #define fi first #define se second #define mp make_pair #define pb push_back #define all(a) (a).begin(), (a).end() using ll = long long; using ull = unsigned long long; using pii = pair<int, int>; using pil = pair<int, ll>; using pli = pair<ll, int>; using pll = pair<ll, ll>; using ld = long double; template<typename T1, typename T2> bool chkmin(T1 &x, T2 y) { return y < x ? (x = y, true) : false; } template<typename T1, typename T2> bool chkmax(T1 &x, T2 y) { return y > x ? (x = y, true) : false; } void debug_out() { cerr << endl; } template<typename T1, typename... T2> void debug_out(T1 A, T2... B) { cerr << ' ' << A; debug_out(B...); } template<typename T> void mdebug_out(T* a, int n) { for (int i = 0; i < n; ++i) cerr << a[i] << ' '; cerr << endl; } #ifdef DEBUG #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #define mdebug(a, n) cerr << #a << ": ", mdebug_out(a, n) #else #define debug(...) 1337 #define mdebug(a, n) 1337 #endif template<typename T> ostream& operator << (ostream& stream, const vector<T> &v) { for (auto x : v) stream << x << ' '; return stream; } template<typename T1, typename T2> ostream& operator << (ostream& stream, const pair<T1, T2>& p) { return stream << p.first << ' ' << p.second; } signed main() { #ifdef DEBUG freopen("in", "r", stdin); #endif ios::sync_with_stdio(0); cin.tie(0); int n; cin >> n; vector<ll> a(n); for (auto& x : a) { cin >> x; } auto prec = [&](vector<ll>& val, vector<ll>& cost) { val.resize(n); cost.resize(n); val[0] = a[0]; cost[0] = 0; for (int i = 1; i < n; ++i) { val[i] = max(a[i], val[i - 1] + 1); ll d = val[i] - a[i]; ll d1 = val[i - 1] - a[i - 1]; cost[i] = cost[i - 1] + max(0LL, d - d1); } }; vector<ll> pval, pcost; prec(pval, pcost); vector<ll> sval, scost; reverse(all(a)); prec(sval, scost); reverse(all(a)); reverse(all(sval)); reverse(all(scost)); debug(pval); debug(pcost); debug(sval); debug(scost); ll ans = 1e18; for (int i = 0; i < n; ++i) { ll cur = max(pcost[i], scost[i]); /*if (pval[i] <= sval[i]) { ll d = sval[i] - pval[i]; cur += i * d; } else { }*/ chkmin(ans, cur); } cout << ans << '\n'; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:26:24: warning: statement has no effect [-Wunused-value]
   26 |     #define debug(...) 1337
      |                        ^~~~
Main.cpp:65:3: note: in expansion of macro 'debug'
   65 |   debug(pval);
      |   ^~~~~
Main.cpp:26:24: warning: statement has no effect [-Wunused-value]
   26 |     #define debug(...) 1337
      |                        ^~~~
Main.cpp:66:3: note: in expansion of macro 'debug'
   66 |   debug(pcost);
      |   ^~~~~
Main.cpp:26:24: warning: statement has no effect [-Wunused-value]
   26 |     #define debug(...) 1337
      |                        ^~~~
Main.cpp:67:3: note: in expansion of macro 'debug'
   67 |   debug(sval);
      |   ^~~~~
Main.cpp:26:24: warning: statement has no effect [-Wunused-value]
   26 |     #define debug(...) 1337
      |                        ^~~~
Main.cpp:68:3: note: in expansion of macro 'debug'
   68 |   debug(scost);
      |   ^~~~~
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