結果
問題 | No.1606 Stuffed Animals Keeper |
ユーザー |
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提出日時 | 2021-07-16 21:28:32 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 20 ms / 3,000 ms |
コード長 | 3,192 bytes |
コンパイル時間 | 2,461 ms |
コンパイル使用メモリ | 220,820 KB |
最終ジャッジ日時 | 2025-01-23 01:22:23 |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 48 |
ソースコード
#pragma GCC optimize("Ofast")#pragma GCC optimize("unroll-loops")#pragma GCC optimize("inline")#include<bits/stdc++.h>using namespace std;template<class T> struct cLtraits_identity{using type = T;};template<class T> using cLtraits_try_make_signed =typename conditional<is_integral<T>::value,make_signed<T>,cLtraits_identity<T>>::type;inline int my_getchar_unlocked(){static char buf[1048576];static int s = 1048576;static int e = 1048576;if(s == e && e == 1048576){e = fread_unlocked(buf, 1, 1048576, stdin);s = 0;}if(s == e){return EOF;}return buf[s++];}inline void rd(int &x){int k;int m=0;x=0;for(;;){k = my_getchar_unlocked();if(k=='-'){m=1;break;}if('0'<=k&&k<='9'){x=k-'0';break;}}for(;;){k = my_getchar_unlocked();if(k<'0'||k>'9'){break;}x=x*10+k-'0';}if(m){x=-x;}}struct MY_WRITER{char buf[1048576];int s;int e;MY_WRITER(){s = 0;e = 1048576;}~MY_WRITER(){if(s){fwrite_unlocked(buf, 1, s, stdout);}}};MY_WRITER MY_WRITER_VAR;void my_putchar_unlocked(int a){if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){fwrite_unlocked(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout);MY_WRITER_VAR.s = 0;}MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a;}inline void wt_L(char a){my_putchar_unlocked(a);}inline void wt_L(int x){int s=0;int m=0;char f[10];if(x<0){m=1;x=-x;}while(x){f[s++]=x%10;x/=10;}if(!s){f[s++]=0;}if(m){my_putchar_unlocked('-');}while(s--){my_putchar_unlocked(f[s]+'0');}}template<class S, class T> inline S chmin(S &a, T b){if(a>b){a=b;}return a;}int N;int A[5001];int sz;int x[5001];int y[5001];int dp[5001];int main(){int k;int i;int s;rd(N);{int Lj4PdHRW;for(Lj4PdHRW=(0);Lj4PdHRW<(N);Lj4PdHRW++){rd(A[Lj4PdHRW]);}}A[N++] = 2;for(i=(0);i<(N);i++){if(A[i]==0){x[sz]++;y[sz]++;}if(A[i]==1){y[sz]++;}if(A[i]==2){sz++;}}int RZTsC2BF;cLtraits_try_make_signed<remove_reference<decltype((*((int*)NULL)))>::type>::type FmcKpFmN;if(sz==0){FmcKpFmN = 0;}else{FmcKpFmN = x[0];for(RZTsC2BF=(1);RZTsC2BF<(sz);RZTsC2BF++){FmcKpFmN += x[RZTsC2BF];}}s =FmcKpFmN;for(i=(1);i<(s+1);i++){dp[i] = 1073709056;}for(k=(0);k<(sz);k++){for(i=(s+1)-1;i>=(y[k]);i--){chmin(dp[i], dp[i-y[k]] + (y[k] - x[k]));}}if(dp[s]>=1073709056){wt_L(-1);wt_L('\n');}else{wt_L(dp[s]);wt_L('\n');}return 0;}// cLay version 20210708-1// --- original code ---// int N, A[5001];// int sz, x[], y[], dp[];// {// int i, s;// rd(N,A(N));// A[N++] = 2;// rep(i,N){// if(A[i]==0) x[sz]++, y[sz]++;// if(A[i]==1) y[sz]++;// if(A[i]==2) sz++;// }// s = sum(x(sz));// rep(i,1,s+1) dp[i] = int_inf;// rep(k,sz) rrep(i,y[k],s+1) dp[i] <?= dp[i-y[k]] + (y[k] - x[k]);// wt(if[dp[s]>=int_inf, -1, dp[s]]);// }