結果
問題 | No.1213 sio |
ユーザー | FF256grhy |
提出日時 | 2020-08-30 16:51:30 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 4,568 bytes |
コンパイル時間 | 2,352 ms |
コンパイル使用メモリ | 203,760 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-15 11:32:38 |
合計ジャッジ時間 | 3,480 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,816 KB |
testcase_05 | AC | 2 ms
6,816 KB |
testcase_06 | AC | 2 ms
6,820 KB |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | AC | 2 ms
6,816 KB |
testcase_09 | AC | 2 ms
6,816 KB |
testcase_10 | AC | 2 ms
6,816 KB |
testcase_11 | AC | 2 ms
6,816 KB |
testcase_12 | AC | 2 ms
6,820 KB |
testcase_13 | AC | 2 ms
6,820 KB |
testcase_14 | AC | 2 ms
6,820 KB |
testcase_15 | AC | 2 ms
6,820 KB |
testcase_16 | AC | 2 ms
6,820 KB |
testcase_17 | AC | 2 ms
6,820 KB |
testcase_18 | AC | 2 ms
6,816 KB |
testcase_19 | AC | 2 ms
6,816 KB |
testcase_20 | AC | 2 ms
6,816 KB |
testcase_21 | AC | 2 ms
6,816 KB |
testcase_22 | AC | 2 ms
6,816 KB |
testcase_23 | AC | 2 ms
6,816 KB |
testcase_24 | AC | 2 ms
6,816 KB |
testcase_25 | AC | 2 ms
6,816 KB |
testcase_26 | AC | 2 ms
6,816 KB |
testcase_27 | AC | 2 ms
6,816 KB |
testcase_28 | AC | 2 ms
6,820 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using LL = long long int; #define incII(i, l, r) for(LL i = (l) ; i <= (r); i++) #define incID(i, l, r) for(LL i = (l) ; i < (r); i++) #define incCI(i, l, r) for(LL i = (l) + 1; i <= (r); i++) #define incCD(i, l, r) for(LL i = (l) + 1; i < (r); i++) #define decII(i, l, r) for(LL i = (r) ; i >= (l); i--) #define decID(i, l, r) for(LL i = (r) - 1; i >= (l); i--) #define decCI(i, l, r) for(LL i = (r) ; i > (l); i--) #define decCD(i, l, r) for(LL i = (r) - 1; i > (l); i--) #define inc(i, n) incID(i, 0, n) #define dec(i, n) decID(i, 0, n) #define inc1(i, n) incII(i, 1, n) #define dec1(i, n) decII(i, 1, n) auto inII = [](auto v, auto l, auto r) { return (l <= v && v <= r); }; auto inID = [](auto v, auto l, auto r) { return (l <= v && v < r); }; auto inCI = [](auto v, auto l, auto r) { return (l < v && v <= r); }; auto inCD = [](auto v, auto l, auto r) { return (l < v && v < r); }; #define PB push_back #define EB emplace_back #define MP make_pair #define MT make_tuple #define FI first #define SE second #define FR front() #define BA back() #define ALL(v) v.begin(), v.end() #define RALL(v) v.rbegin(), v.rend() auto setmin = [](auto & a, auto b) { return (b < a ? a = b, true : false); }; auto setmax = [](auto & a, auto b) { return (b > a ? a = b, true : false); }; auto setmineq = [](auto & a, auto b) { return (b <= a ? a = b, true : false); }; auto setmaxeq = [](auto & a, auto b) { return (b >= a ? a = b, true : false); }; #define SC static_cast #define SI(v) SC<int>(v.size()) #define SL(v) SC<LL >(v.size()) #define RF(e, v) for(auto & e: v) #define until(e) while(! (e)) #define if_not(e) if(! (e)) #define ef else if #define UR assert(false) #define CT continue #define RV(v) reverse(ALL(v)) auto * IS = & cin; // input elements (as a tuple) template<typename U, int I> void in_([[maybe_unused]] U & t) { } template<typename U, int I, typename A, typename ... B> void in_(U & t) { (* IS) >> get<I>(t); in_<U, I + 1, B ...>(t); } template<typename ... T> auto in() { tuple<T ...> t; in_<tuple<T ...>, 0, T ...>(t); return t; } // input an array template<typename T, int N> auto ain() { array<T, N> a; inc(i, N) { (* IS) >> a[i]; } return a; } // input a (multi-dimensional) vector template<typename T> T vin() { T v; (* IS) >> v; return v; } template<typename T, typename N, typename ... M> auto vin(N n, M ... m) { vector<decltype(vin<T, M ...>(m ...))> v(n); inc(i, n) { v[i] = vin<T, M ...>(m ...); } return v; } // input multi-column (as a tuple of vector) template<typename U, int I> void colin_([[maybe_unused]] U & t) { } template<typename U, int I, typename A, typename ... B> void colin_(U & t) { A a; (* IS) >> a; get<I>(t).push_back(a); colin_<U, I + 1, B ...>(t); } template<typename ... T> auto colin(int n) { tuple<vector<T> ...> t; inc(i, n) { colin_<tuple<vector<T> ...>, 0, T ...>(t); } return t; } auto * OS = & cout; // output elements void out_([[maybe_unused]] string s) { } template<typename A> void out_([[maybe_unused]] string s, A && a) { (* OS) << a; } template<typename A, typename ... B> void out_(string s, A && a, B && ... b) { (* OS) << a << s; out_(s, b ...); } auto outF = [](auto x, auto y, auto z, auto ... a) { (* OS) << x; out_(y, a ...); (* OS) << z << flush; }; auto out = [](auto ... a) { outF("", " " , "\n", a ...); }; auto outS = [](auto ... a) { outF("", " " , " " , a ...); }; auto outL = [](auto ... a) { outF("", "\n", "\n", a ...); }; auto outN = [](auto ... a) { outF("", "" , "" , a ...); }; array<string, 3> SEQ_FMT = { "", " ", "" }; auto & SEQ_BEG = SEQ_FMT[0]; auto & SEQ_MID = SEQ_FMT[1]; auto & SEQ_END = SEQ_FMT[2]; // output a (multi-dimensional) vector template<typename T> ostream & operator<<(ostream & os, vector<T> const & v) { os << SEQ_BEG; inc(i, SI(v)) { os << (i == 0 ? "" : SEQ_MID) << v[i]; } return (os << SEQ_END); } template<typename T> void vout_(T && v) { (* OS) << v; } template<typename T, typename A, typename ... B> void vout_(T && v, A a, B ... b) { inc(i, SI(v)) { (* OS) << (i == 0 ? "" : a); vout_(v[i], b ...); } } template<typename T, typename A, typename ... B> void vout(T && v, A a, B ... b) { vout_(v, b ...); (* OS) << a << flush; } // ---- ---- int main() { auto f = [](LL a, LL b) -> LL { if(a % 2 == 0 && b % 2 == 0) { return 0; } if(a % 2 == 0 && b % 2 == 1) { return a / 4; } if(a % 2 == 1 && b % 2 == 0) { return b / 4; } a /= 2; b /= 2; return a / 2 + b / 2 + (min(a, b) >= 2 && a * b % 2 == 1 ? 2 : 0); }; auto [h, w] = in<LL, LL>(); out(f(h, w)); }