#756692 (C++17) No.5005 3-SAT

• 問題: No.5005 3-SAT
• ユーザー: tails
• 提出日時: 2022-04-29 16:13:00
• 言語: C++17 (gcc 12.3.0 + boost 1.83.0)
• 結果: AC
• 実行時間: 1,954 ms / 2,000 ms
• コード長: 1,501 bytes
• コンパイル時間: 649 ms
• 実行使用メモリ: 6,952 KB
• スコア: 11,921
• 最終ジャッジ日時: 2022-04-29 16:17:19
• 合計ジャッジ時間: 198,951 ms
• ジャッジサーバーID （参考情報）: judge11 / judge13

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	1,908 ms; 4,904 KB
testcase_01	AC	1,910 ms; 5,160 KB
testcase_02	AC	1,907 ms; 4,904 KB
testcase_03	AC	1,937 ms; 4,900 KB
testcase_04	AC	1,909 ms; 4,904 KB
testcase_05	AC	1,908 ms; 5,160 KB
testcase_06	AC	1,911 ms; 4,900 KB
testcase_07	AC	1,908 ms; 4,900 KB
testcase_08	AC	1,911 ms; 4,900 KB
testcase_09	AC	1,907 ms; 4,904 KB
testcase_10	AC	1,909 ms; 4,900 KB
testcase_11	AC	1,908 ms; 6,948 KB
testcase_12	AC	1,908 ms; 4,908 KB
testcase_13	AC	1,908 ms; 6,948 KB
testcase_14	AC	1,910 ms; 6,952 KB
testcase_15	AC	1,908 ms; 4,904 KB
testcase_16	AC	1,909 ms; 6,952 KB
testcase_17	AC	1,908 ms; 4,900 KB
testcase_18	AC	1,909 ms; 4,904 KB
testcase_19	AC	1,909 ms; 4,900 KB
testcase_20	AC	1,908 ms; 6,948 KB
testcase_21	AC	1,908 ms; 6,948 KB
testcase_22	AC	1,910 ms; 6,948 KB
testcase_23	AC	1,909 ms; 4,904 KB
testcase_24	AC	1,909 ms; 4,900 KB
testcase_25	AC	1,908 ms; 4,904 KB
testcase_26	AC	1,909 ms; 4,904 KB
testcase_27	AC	1,908 ms; 6,952 KB
testcase_28	AC	1,908 ms; 4,900 KB
testcase_29	AC	1,910 ms; 4,904 KB
testcase_30	AC	1,908 ms; 4,900 KB
testcase_31	AC	1,908 ms; 4,904 KB
testcase_32	AC	1,909 ms; 4,900 KB
testcase_33	AC	1,907 ms; 4,900 KB
testcase_34	AC	1,908 ms; 4,900 KB
testcase_35	AC	1,909 ms; 6,948 KB
testcase_36	AC	1,908 ms; 6,948 KB
testcase_37	AC	1,909 ms; 4,904 KB
testcase_38	AC	1,908 ms; 4,900 KB
testcase_39	AC	1,907 ms; 4,904 KB
testcase_40	AC	1,908 ms; 4,900 KB
testcase_41	AC	1,908 ms; 4,900 KB
testcase_42	AC	1,909 ms; 6,948 KB
testcase_43	AC	1,909 ms; 6,948 KB
testcase_44	AC	1,909 ms; 4,900 KB
testcase_45	AC	1,908 ms; 6,952 KB
testcase_46	AC	1,908 ms; 4,900 KB
testcase_47	AC	1,909 ms; 4,900 KB
testcase_48	AC	1,909 ms; 4,904 KB
testcase_49	AC	1,909 ms; 4,900 KB
testcase_50	AC	1,908 ms; 6,952 KB
testcase_51	AC	1,908 ms; 6,948 KB
testcase_52	AC	1,908 ms; 6,948 KB
testcase_53	AC	1,909 ms; 4,904 KB
testcase_54	AC	1,908 ms; 4,904 KB
testcase_55	AC	1,908 ms; 4,904 KB
testcase_56	AC	1,909 ms; 6,952 KB
testcase_57	AC	1,907 ms; 6,952 KB
testcase_58	AC	1,908 ms; 4,904 KB
testcase_59	AC	1,909 ms; 6,948 KB
testcase_60	AC	1,912 ms; 6,948 KB
testcase_61	AC	1,912 ms; 4,900 KB
testcase_62	AC	1,914 ms; 4,900 KB
testcase_63	AC	1,910 ms; 4,900 KB
testcase_64	AC	1,936 ms; 6,952 KB
testcase_65	AC	1,932 ms; 4,904 KB
testcase_66	AC	1,937 ms; 6,948 KB
testcase_67	AC	1,936 ms; 4,904 KB
testcase_68	AC	1,938 ms; 6,948 KB
testcase_69	AC	1,934 ms; 6,952 KB
testcase_70	AC	1,931 ms; 4,904 KB
testcase_71	AC	1,931 ms; 4,904 KB
testcase_72	AC	1,937 ms; 4,904 KB
testcase_73	AC	1,931 ms; 4,900 KB
testcase_74	AC	1,930 ms; 6,952 KB
testcase_75	AC	1,932 ms; 4,904 KB
testcase_76	AC	1,937 ms; 6,948 KB
testcase_77	AC	1,945 ms; 4,900 KB
testcase_78	AC	1,929 ms; 6,948 KB
testcase_79	AC	1,929 ms; 6,952 KB
testcase_80	AC	1,938 ms; 4,900 KB
testcase_81	AC	1,937 ms; 6,948 KB
testcase_82	AC	1,930 ms; 6,948 KB
testcase_83	AC	1,931 ms; 4,900 KB
testcase_84	AC	1,931 ms; 4,904 KB
testcase_85	AC	1,931 ms; 4,900 KB
testcase_86	AC	1,948 ms; 4,900 KB
testcase_87	AC	1,933 ms; 4,900 KB
testcase_88	AC	1,930 ms; 4,900 KB
testcase_89	AC	1,930 ms; 6,952 KB
testcase_90	AC	1,938 ms; 4,900 KB
testcase_91	AC	1,951 ms; 6,952 KB
testcase_92	AC	1,930 ms; 4,908 KB
testcase_93	AC	1,954 ms; 6,948 KB
testcase_94	AC	1,930 ms; 4,904 KB
testcase_95	AC	1,943 ms; 4,904 KB
testcase_96	AC	1,938 ms; 4,904 KB
testcase_97	AC	1,930 ms; 6,948 KB
testcase_98	AC	1,928 ms; 4,904 KB
testcase_99	AC	1,940 ms; 6,952 KB

ソースコード

#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")

#include <vector>
#include <bitset>
#include <cstring>
using namespace std;

#include <time.h>

long clock_begin;

unsigned long xorshift64_val;
void xorshift64_init(){
	xorshift64_val = 88172645463325252UL + time(0);
}
unsigned long xorshift64() {
	xorshift64_val ^= xorshift64_val << 7;
	return xorshift64_val ^= xorshift64_val >> 9;
}

#define N 2048

struct Clause {
	int a[3];
	int p[3];
};

Clause cs[N];

vector<int> aa[256][2];

int score;
char best[256];
char curr[256];

vector<int> q;
bitset<N> qm;

void owari(){
	for(int i=256;i--;){
		putchar('0'+best[i]);
	}
	exit(0);
}

void enq(int i){
	if(!qm[i]){
		qm[i]=1;
		q.push_back(i);
	}
}

int deq(){
	int i=q.back();
	q.pop_back();
	qm[i]=0;
	return i;
}

int main(){
	clock_begin=clock();

	for(int i=0;i<N;++i){
		for(int j=0;j<3;++j){
			scanf("%d",&cs[i].a[j]);
		}
		for(int j=0;j<3;++j){
			scanf("%d",&cs[i].p[j]);
			aa[cs[i].a[j]][cs[i].p[j]].push_back(i);
		}
	}
	do{
		for(int t=0;t<100;++t){
			if(q.empty()){
				memcpy(best,curr,256);
				if(++score==N){
					owari();
				}
				enq(score-1);
			}
			int i=deq();
			if(curr[cs[i].a[0]]!=cs[i].p[0] && curr[cs[i].a[1]]!=cs[i].p[1] && curr[cs[i].a[2]]!=cs[i].p[2]){
				int j=xorshift64()%3;
				int aj=cs[i].a[j];
				int pj=cs[i].p[j];
				curr[aj]=pj;
				for(int k:aa[aj][1-pj]){
					if(k<score){
						enq(k);
					}
				}
			}
		}
	}while(clock()-clock_begin<CLOCKS_PER_SEC*1900/1000);
	owari();
	return 0;
}