結果
問題 | No.324 落ちてた閉路グラフ |
ユーザー | mai |
提出日時 | 2017-05-17 17:03:05 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 188 ms / 5,000 ms |
コード長 | 4,373 bytes |
コンパイル時間 | 3,213 ms |
コンパイル使用メモリ | 216,420 KB |
実行使用メモリ | 93,376 KB |
最終ジャッジ日時 | 2024-09-17 21:01:39 |
合計ジャッジ時間 | 5,761 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge6 |
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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 | 28 ms
93,192 KB |
testcase_01 | AC | 29 ms
93,160 KB |
testcase_02 | AC | 29 ms
93,188 KB |
testcase_03 | AC | 29 ms
93,188 KB |
testcase_04 | AC | 188 ms
93,340 KB |
testcase_05 | AC | 65 ms
93,340 KB |
testcase_06 | AC | 170 ms
93,232 KB |
testcase_07 | AC | 119 ms
93,336 KB |
testcase_08 | AC | 166 ms
93,316 KB |
testcase_09 | AC | 92 ms
93,308 KB |
testcase_10 | AC | 171 ms
93,336 KB |
testcase_11 | AC | 93 ms
93,348 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 1 ms
6,940 KB |
testcase_15 | AC | 32 ms
93,276 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 1 ms
6,940 KB |
testcase_18 | AC | 24 ms
93,276 KB |
testcase_19 | AC | 1 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 23 ms
93,156 KB |
testcase_22 | AC | 2 ms
6,940 KB |
testcase_23 | AC | 22 ms
93,188 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 24 ms
93,060 KB |
testcase_26 | AC | 24 ms
93,148 KB |
testcase_27 | AC | 23 ms
93,152 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 1 ms
6,944 KB |
testcase_30 | AC | 24 ms
93,148 KB |
testcase_31 | AC | 23 ms
93,152 KB |
testcase_32 | AC | 90 ms
93,336 KB |
testcase_33 | AC | 174 ms
93,376 KB |
testcase_34 | AC | 147 ms
93,340 KB |
testcase_35 | AC | 25 ms
93,148 KB |
testcase_36 | AC | 68 ms
93,356 KB |
testcase_37 | AC | 26 ms
93,040 KB |
ソースコード
#pragma GCC optimize ("O3") #pragma GCC target ("avx") #include "bits/stdc++.h" // define macro "/D__MAI" using namespace std; typedef unsigned int uint; typedef long long int ll; typedef unsigned long long int ull; #define debugv(v) printf("L%d %s => ",__LINE__,#v);for(auto e:v){cout<<e<<" ";}cout<<endl; #define debugm(m) printf("L%d %s is..\n",__LINE__,#m);for(auto v:m){for(auto e:v){cout<<e<<" ";}cout<<endl;} #define debuga(m,w) printf("L%d %s is => ",__LINE__,#m);for(int x=0;x<(w);x++){cout<<(m)[x]<<" ";}cout<<endl; #define debugaa(m,w,h) printf("L%d %s is..\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[x][y]<<" ";}cout<<endl;} #define debugaar(m,w,h) printf("L%d %s is..\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[y][x]<<" ";}cout<<endl;} #define ALL(v) (v).begin(),(v).end() #define repeat(l) for(auto cnt=0;cnt<(l);++cnt) #define upto(l,r) for(auto cnt=l;cnt<=r;++cnt) #define downto(r,l) for(auti cnt=r;cnt>=l;--cnt) #define BIGINT 0x7FFFFFFF #define MD 1000000007ll #define PI 3.1415926535897932384626433832795 template<typename T1, typename T2> ostream& operator <<(ostream &o, const pair<T1, T2> p) { o << "(" << p.first << ":" << p.second << ")"; return o; } #define TIME chrono::system_clock::now() #define MILLISEC(t) (chrono::duration_cast<chrono::milliseconds>(t).count()) namespace { std::chrono::system_clock::time_point ttt; void tic() { ttt = TIME; } void toc() { fprintf(stderr, "TIME : %lldms\n", MILLISEC(TIME - ttt)); } std::chrono::system_clock::time_point tle = TIME; #ifdef __MAI void safe_tle(int msec) { assert(MILLISEC(TIME - tle) < msec); } #else #define safe_tle(k) ; #endif } #ifdef __MAI //_getchar_nolock #define getchar_unlocked getchar #endif namespace { class MaiScanner { public: template<typename T> void input_integer(T& var) { var = 0; T sign = 1; int cc = getchar_unlocked(); for (; cc<'0' || '9'<cc; cc = getchar_unlocked()) if (cc == '-') sign = -1; for (; '0' <= cc&&cc <= '9'; cc = getchar_unlocked()) var = (var << 3) + (var << 1) + cc - '0'; var = var*sign; } inline int c() { return getchar_unlocked(); } inline MaiScanner& operator>>(int& var) { input_integer<int>(var); return *this; } inline MaiScanner& operator>>(long long& var) { input_integer<long long>(var); return *this; } }; } MaiScanner scanner; /* def scan;gets.split.map(&:to_i);end @n,@m = scan @ww = scan @memo = {} def dfs(idx, lastflg, selected, firstflg) return firstflg&&lastflg ? @ww[0] : 0 if idx == @n key = [idx, lastflg, selected, firstflg] return @memo[key] if @memo[key] r = [] r << if selected < @m r << if idx - selected < @n - @m return @memo[key] = r.max end if @n == @m p @ww.inject(:+) elsif @m <= 1 p 0 else p [dfs(1,false,0,false),dfs(1,true,1,true)].max end */ int n, m; int ww[3030]; int dp[3030][3030][2]; bool dpf[3030][3030][2]; void cleardp() { fill(&dp[0][0][0], &dp[3029][3029][1] + 1, 0); fill(&dpf[0][0][0], &dpf[3029][3029][1] + 1, 0); } bool sw_first = false; ll dfs(int idx, int selected, int lastflg) { if (idx == n) return sw_first&&lastflg ? ww[0] : 0; if (dpf[idx][selected][lastflg]) return dp[idx][selected][lastflg]; dpf[idx][selected][lastflg] = true; if (selected < m && idx - selected < n - m) { return dp[idx][selected][lastflg] = max( ((lastflg ? ww[idx] : 0) + dfs(idx + 1, selected + 1, true)), (dfs(idx + 1, selected, false)) ); } else if (!(selected < m)) { return dp[idx][selected][lastflg] = (dfs(idx + 1, selected, false)); } else { return dp[idx][selected][lastflg] = ((lastflg ? ww[idx] : 0) + dfs(idx + 1, selected + 1, true)); } } int main() { scanner >> n >> m; repeat(n) { scanner >> ww[cnt]; } if (n == m) { cout << accumulate(ww, ww + n, 0) << endl; } else if(m <= 1) { cout << 0 << endl; } else { ll result = dfs(1, 0, false); cleardp(); sw_first = true; result = max(result, dfs(1, 1, true)); cout << result << endl; } return 0; }