結果
問題 | No.127 門松もどき |
ユーザー | is_eri23 |
提出日時 | 2015-02-09 23:22:58 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 244 ms / 5,000 ms |
コード長 | 2,826 bytes |
コンパイル時間 | 1,221 ms |
コンパイル使用メモリ | 159,664 KB |
実行使用メモリ | 75,360 KB |
最終ジャッジ日時 | 2024-06-06 08:31:53 |
合計ジャッジ時間 | 4,892 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 30 ms
75,136 KB |
testcase_01 | AC | 32 ms
75,136 KB |
testcase_02 | AC | 31 ms
75,112 KB |
testcase_03 | AC | 30 ms
75,084 KB |
testcase_04 | AC | 243 ms
75,280 KB |
testcase_05 | AC | 31 ms
75,136 KB |
testcase_06 | AC | 45 ms
75,204 KB |
testcase_07 | AC | 31 ms
75,056 KB |
testcase_08 | AC | 30 ms
75,120 KB |
testcase_09 | AC | 30 ms
75,080 KB |
testcase_10 | AC | 31 ms
75,076 KB |
testcase_11 | AC | 32 ms
75,052 KB |
testcase_12 | AC | 127 ms
75,264 KB |
testcase_13 | AC | 150 ms
75,204 KB |
testcase_14 | AC | 147 ms
75,216 KB |
testcase_15 | AC | 199 ms
75,360 KB |
testcase_16 | AC | 133 ms
75,264 KB |
testcase_17 | AC | 149 ms
75,228 KB |
testcase_18 | AC | 128 ms
75,216 KB |
testcase_19 | AC | 87 ms
75,172 KB |
testcase_20 | AC | 88 ms
75,264 KB |
testcase_21 | AC | 57 ms
75,088 KB |
testcase_22 | AC | 244 ms
75,296 KB |
testcase_23 | AC | 212 ms
75,296 KB |
testcase_24 | AC | 187 ms
75,136 KB |
testcase_25 | AC | 230 ms
75,264 KB |
testcase_26 | AC | 116 ms
75,216 KB |
ソースコード
#include <bits/stdc++.h> #define EPS 1e-9 #define INF 1070000000LL #define MOD 1000000007LL #define fir first #define foreach(it,X) for(auto it=(X).begin();it!=(X).end();it++) #define numa(x,a) for(auto x: a) #define ite iterator #define mp make_pair #define rep(i,n) rep2(i,0,n) #define rep2(i,m,n) for(int i=m;i<(n);i++) #define pb push_back #define pf push_front #define sec second #define sz(x) ((int)(x).size()) #define ALL( c ) (c).begin(), (c).end() #define gcd(a,b) __gcd(a,b) #define mem(x,n) memset(x,n,sizeof(x)) #define endl "\n" using namespace std; template <int POS, class TUPLE> void deploy(std::ostream &os, const TUPLE &tuple){} template <int POS, class TUPLE, class H, class ...Ts> void deploy(std::ostream &os, const TUPLE &t){ os << (POS == 0 ? "" : ", ") << get<POS>(t); deploy<POS + 1, TUPLE, Ts...>(os, t); } template <class T,class U> std::ostream& operator<<(std::ostream &os, std::pair<T,U> &p){ os << "(" << p.first <<", " << p.second <<")";return os; } template <class T> std::ostream& operator<<(std::ostream &os, std::vector<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; } template <class T> std::ostream& operator<<(std::ostream &os, std::set<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; } template <class T, class K> std::ostream& operator<<(std::ostream &os, std::map<T, K> &mp){ int remain = mp.size(); os << "{"; for(auto e: mp) os << "(" << e.first << " -> " << e.second << ")" << (--remain == 0 ? "}" : ", "); return os; } #define DEBUG1(var0) { std::cerr << (#var0) << "=" << (var0) << endl; } #define DEBUG2(var0, var1) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG1(var1); } #define DEBUG3(var0, var1, var2) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG2(var1,var2); } #define DEBUG4(var0, var1, var2, var3) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG3(var1,var2,var3); } using ll = long long; int N; int nums[3030]; int memo[3030][3030][2]; int dp_go(int x, int y, bool high) { if (x == y) { return 1; } if (memo[x][y][high] >= 0) { return memo[x][y][high]; } int ret = 0; if (high) {// x < y if (nums[x] < nums[y]) { ret = 1 + dp_go(x+1,y,false); } ret = max(ret, dp_go(x,y-1,high)); }else { //x > y if (nums[x] > nums[y]) { ret = 1 + dp_go(x,y-1,true); } ret = max(ret, dp_go(x+1,y,high)); } return memo[x][y][high] = ret; } int main() { cin.tie(0); ios_base::sync_with_stdio(0); cin >> N; rep(i,N){ cin >> nums[i]; } mem(memo,-1); int ans = 0; rep(i,N) { rep2(j,i,N){ ans = max(ans, dp_go(i,j,true)); } } rep(i,N){ rep2(j,i,N){ ans = max(ans, dp_go(i,j,false)); } } cout << ans << endl; return 0; }