제출 #983456

#제출 시각아이디문제언어결과실행 시간메모리
983456Peter2017Cloud Computing (CEOI18_clo)C++14
18 / 100
178 ms130392 KiB
#include <bits/stdc++.h> #define fi first #define se second #define ll long long #define pii pair<int,int> #define pll pair<ll,ll> #define pill pair<int,ll> #define mem(a, b) memset(a, b, sizeof(a)) #define MASK(i) (1LL << (i)) #define BIT(x, i) (((x) >> (i)) & 1) #define name "test" using namespace std; const int N = 250 + 5; const int mod = 1e9 + 7; const ll oo = 1e18; template <typename T1, typename T2> bool maxi(T1 &a, T2 b){if (a < b){a = b; return 1;} return 0;} template <typename T1, typename T2> bool mini(T1 &a, T2 b){if (a > b){a = b; return 1;} return 0;} struct item{ int c, f, v; bool operator<(const item &other) const { return f > other.f; } }; int n; int m; item a[N]; item b[N]; void load(){ cin.tie(0)->sync_with_stdio(0); if (fopen(name".inp", "r")){ freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); } } void input(){ cin >> n; for (int i = 1; i <= n; i++) cin >> a[i].c >> a[i].f >> a[i].v; cin >> m; for (int i = 1; i <= m; i++) cin >> b[i].c >> b[i].f >> b[i].v; } namespace subtask3{ ll f[N][N][N]; ll btr(int i, int j, int rem){ if (i > n || j > m) return 0; ll &res = f[i][j][rem]; if (res >= -oo) return res; res = -oo; maxi(res, btr(i + 1, j, rem)); maxi(res, btr(i, j + 1, rem)); maxi(res, btr(i + 1, j, rem + a[i].c) - a[i].v); if (b[j].f <= a[i - 1].f && rem >= b[j].c){ maxi(res, btr(i, j + 1, rem - b[j].c) + b[j].v); } return res; } void solve(){ sort(a + 1, a + n + 1); sort(b + 1, b + m + 1); mem(f, -0x3f); cout << btr(1, 1, 0); } } int main(){ load(); input(); if (max(n, m) <= 250) subtask3::solve(); }

컴파일 시 표준 에러 (stderr) 메시지

clo.cpp: In function 'void load()':
clo.cpp:37:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |         freopen(name".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
clo.cpp:38:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |         freopen(name".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
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