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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#867667#9685. nim 游戏lgvc12 940ms56100kbC++234.5kb2025-01-23 21:10:372025-01-23 21:10:38

Judging History

你现在查看的是最新测评结果

  • [2025-01-27 09:19:35]
  • hack成功,自动添加数据
  • (/hack/1490)
  • [2025-01-27 08:19:11]
  • hack成功,自动添加数据
  • (/hack/1488)
  • [2025-01-26 18:55:44]
  • hack成功,自动添加数据
  • (/hack/1475)
  • [2025-01-23 21:10:38]
  • 评测
  • 测评结果:12
  • 用时:940ms
  • 内存:56100kb
  • [2025-01-23 21:10:37]
  • 提交

answer

#include <bits/stdc++.h>
#define int long long
static char buf[1000000],*paa=buf,*pd=buf;
static char buf2[1000000],*pp=buf2;
#define getchar() paa==pd&&(pd=(paa=buf)+fread(buf,1,1000000,stdin),paa==pd)?EOF:*paa++
inline void pc(char ch){
	if(pp-buf2==1000000) fwrite(buf2,1,1000000,stdout),pp=buf2;
	*pp++=ch;
}
inline void pcc(){
	fwrite(buf2,1,pp-buf2,stdout);
	pp=buf2;
}
inline int read(void){
	int w=1;
	register int x(0);register char c(getchar());
	while(c<'0'||c>'9'){if(c=='-') w=-1;c=getchar();}
	while(c>='0'&&c<='9')x=(x<<1)+(x<<3)+(c^48),c=getchar();
	return w*x;
}
void write(int x){
	static int sta[20];
	int top=0;
	do{
		sta[top++]=x%10,x/=10;
	}while(x);
	while(top) pc(sta[--top]+48);
}
void we(int x){
	write(x);
	pc('\n');
}
int C,T,N,M,a[100009],b[100009],vf[100009],ss,p[62][100009];
struct n_t{
	int a,b;
};
std::vector<n_t> t[20009];
int ct,tx;
int qr(std::vector<n_t> tq) {
	int as=ss;
	for(int i=0;i<tq.size();i++) {
		as^=a[tq[i].a];
		as^=(a[tq[i].a]+tq[i].b);
	}
	return as;
}
inline bool cmp(n_t x,n_t y) {
	return x.a<y.a;
}
inline bool fd(int x,std::vector<n_t> y) {
	for(int i=0;i<y.size();i++) {
		if(y[i].a==x) return 1;
	}
	return 0;
}
int vc(std::vector<n_t> tq) {
	tx++;
	for(int i=0;i<tq.size();i++) vf[tq[i].a]=tx;
	return tx;
}
int sv(std::vector<n_t> tq) {
	int aq=0;
	int ti=vc(tq);
	for(int i=60;i>=0;i--) {
		if((qr(tq)>>i)&1) {
			bool zt=0;
			for(int j=1;j<=N;j++) {
				int t=p[i][j];
				if((a[t]>>i)%2==0) {
					if(vf[t]==ti) continue;
					int x=(a[t]&((1ll<<i)-1));
					aq+=(1ll<<i)-x;
					tq.push_back((n_t){t,(1ll<<i)-x});
					vf[t]=ti;
					zt=1;
					break;
				} else {
					break;
				}
			}
			if(!zt) {
				for(int j=0;j<tq.size();j++) {
					int x=tq[j].b+a[tq[j].a];
					if(x&((1ll<<i+1)-1)) continue;
					tq[j].b+=(1ll<<i);
					zt=1;
					break;
				}
				if(!zt) {
					return (1ll<<62);
				}
			}
		}
	}	
	return aq;	
}
std::unordered_map<int,int> vi;
void cl(std::vector<n_t> tq) {
	if(ct==M) return;
	std::sort(tq.begin(),tq.end(),cmp);
	int vm=tq.size();
	for(int j=0;j<tq.size();j++) {
		vm=(vm*137+tq[j].a)%10000000000000061ll;
		vm=(vm*137+tq[j].b)%10000000000000061ll;
	}
	if(vi[vm]) return;
	vi[vm]=1;
	ct++;
	t[ct]=tq;
}
bool qj(int i,std::vector<n_t> tq,int va) {	
	if(va!=sv(tq)) return 0;
	if(i==-1) {
		cl(tq);
		return 1;
	}
	if((qr(tq)>>i)&1) {
		//if(i==0) printf("!!!\n");
		int ans=(1ll<<61);
		for(int j=1;j<=N;j++) {
			int t=p[i][j];
			if(fd(t,tq)) continue;
			if((a[t]>>i)%2==0) {
			//	assert(t);
				int x=(a[t]&((1ll<<i)-1));
				tq.push_back((n_t){t,(1ll<<i)-x});
				if(!qj(i-1,tq,va-(1ll<<i)+x)) return 1;
				tq.pop_back();
				if(ct==M) return 1;
			} else break;
		}
		for(int j=0;j<tq.size();j++) {
			int x=tq[j].b+a[tq[j].a];
			if(x&((1ll<<i+1)-1)) continue;
			tq[j].b+=(1ll<<i);
			if(!qj(i-1,tq,va-(1ll<<i))) return 1;
			if(ct==M) return 1;
			tq[j].b-=(1ll<<i);
		}
	} else {
		qj(i-1,tq,va);
	}
	return 1;
}
#define INF_LL 0x3f3f3f3f3f3f3f3f
int tp;
bool cmq(int x,int y) {
	x=a[x];
	y=a[y];
	if(((x^y)>>tp)&1) 
		return (x&((1ll<<tp+1)-1))<(y&((1ll<<tp+1)-1));
	return (x&((1ll<<tp)-1))>(y&((1ll<<tp)-1));
}
signed main(void) {
	C=read();T=read();
	while(T--) {
		vi.clear();
		N=read();M=read();
		ct=0;
		ss=0;
		for(int i=1;i<=N;i++) {
			a[i]=read();
			b[i]=a[i];
			ss^=a[i];
		}
		if(ss==0) {
			printf("0\n1\n0\n\n\n");
			continue;
		}
		for(int i=0;i<=60;i++) {
			for(int j=1;j<=N;j++) p[i][j]=j;
			tp=i;
			std::sort(p[i]+1,p[i]+N+1,cmq);
		}
		std::vector<n_t> tq;
		int ans=sv(tq);
		for(int i=0;i<=60;i++) {
			std::vector<n_t> tq;
			if(ss>=(1ll<<i+1)) continue;
			int t=p[i][1];
			if((a[t]>>i)&1) continue;
			int x=(a[t]&((1ll<<i)-1));
			tq.push_back((n_t){t,(1ll<<i)-x});
			ans=std::min(ans,sv(tq)+(1ll<<i)-x);
		}
		qj(60,tq,ans);
		for(int i=0;i<=60;i++) {
			if(ct==M) break;
			if(ss>=(1ll<<i+1)) continue;
			std::vector<n_t> tq;
			for(int j=1;j<=N;j++) {
				int t=p[i][j];
				if((a[t]>>i)&1) break;
				int x=(a[t]&((1ll<<i)-1));
				tq.push_back((n_t){t,(1ll<<i)-x});
				if(!qj(i,tq,ans-(1ll<<i)+x)) break;
				if(ct==M) break;
				tq.pop_back();
			}
		}
//		qj(60,tq,ans);
		printf("%lld\n%lld\n",ans,ct);
		for(int i=1;i<=ct;i++) {
			printf("%lld\n",(int)t[i].size());
			for(int j=0;j<t[i].size();j++) printf("%lld ",t[i][j].a);
			printf("\n");
			for(int j=0;j<t[i].size();j++) printf("%lld ",t[i][j].b);
			printf("\n");
			t[i]=t[0];
		}	
	}
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 867ms
memory: 55232kb

input:

1 10000
2 1
324097321 555675086
2 1
304655177 991244276
2 1
9980291 383616352
2 1
1071036550 795625380
2 1
682098056 68370721
2 1
969101726 685975156
2 1
973896269 354857775
2 1
196188000 606494155
2 1
754416123 467588829
2 1
495704303 558090120
2 1
618002000 491488050
2 1
741575237 9937018
2 1
1002...

output:

212773591
0
232215735
0
258455165
0
9680988
0
468500191
0
119331212
0
182013137
0
340682912
0
69282083
0
41166609
0
45382862
0
526933894
0
124188898
0
179146009
0
20180789
0
102641402
0
204324144
0
317921922
0
505059782
0
6443005
0
211921215
0
445355113
0
73618341
0
175349252
0
483064943
0
4752546
0...

result:

wrong answer jury has worse answer? check your output.

Subtask #2:

score: 12
Accepted

Test #2:

score: 12
Accepted
time: 1ms
memory: 55120kb

input:

2 5
5 2000
0 13 3 4 10
5 2000
0 3 9 1 11
5 2000
0 13 7 3 5
5 2000
0 1 13 9 2
5 2000
0 8 14 7 13

output:

0
1
0


0
1
0


2
2
2
2 3 
1 1 
2
3 5 
1 1 
3
2
2
1 5 
1 2 
1
5 
3 
2
1
2
4 5 
1 1 

result:

ok correct answer

Test #3:

score: 12
Accepted
time: 0ms
memory: 55128kb

input:

2 5
5 2000
0 4 14 5 7
5 2000
0 2 15 0 12
5 2000
0 1 14 0 5
5 2000
0 13 4 12 3
5 2000
0 10 10 1 11

output:

6
2
3
1 4 5 
4 1 1 
2
4 5 
1 5 
1
4
1
1 
1 
1
2 
1 
1
4 
1 
1
5 
1 
8
8
3
1 2 5 
2 3 3 
3
2 4 5 
3 2 3 
2
2 5 
3 5 
2
2 5 
5 3 
3
1 2 5 
4 1 3 
3
2 4 5 
1 4 3 
2
2 5 
1 7 
2
2 5 
7 1 
2
4
2
1 5 
1 1 
2
3 5 
1 1 
2
4 5 
1 1 
1
5 
2 
10
13
3
1 2 4 
2 1 7 
3
1 3 4 
2 1 7 
2
1 4 
2 8 
2
1 4 
3 7 
2
1 4 ...

result:

ok correct answer

Test #4:

score: 12
Accepted
time: 2ms
memory: 55124kb

input:

2 5
5 2000
0 6 15 10 1
5 2000
0 15 0 13 10
5 2000
0 5 7 5 1
5 2000
0 13 3 2 15
5 2000
0 2 4 7 0

output:

2
5
2
1 5 
1 1 
2
2 5 
1 1 
2
4 5 
1 1 
1
5 
2 
1
1 
2 
8
2
1
1 
8 
1
3 
8 
4
2
2
2 5 
1 3 
2
4 5 
1 3 
1
1
1
2 
1 
1
4
1
1 
1 
1
2 
1 
1
3 
1 
1
5 
1 

result:

ok correct answer

Subtask #3:

score: 0
Wrong Answer

Dependency #2:

100%
Accepted

Test #5:

score: 0
Wrong Answer
time: 1ms
memory: 55124kb

input:

3 5
6 2000
0 45 517 811 107 132
6 2000
0 382 576 805 419 579
6 2000
0 379 809 441 331 67
6 2000
0 565 776 959 852 383
6 2000
0 613 383 829 47 441

output:

146
20
5
1 2 3 4 6 
1 19 1 1 124 
4
2 3 4 6 
19 1 1 125 
4
2 3 4 6 
20 1 1 124 
4
2 3 4 6 
19 1 2 124 
4
2 3 4 6 
19 2 1 124 
4
1 2 4 6 
2 19 1 124 
3
2 4 6 
19 1 126 
3
2 4 6 
21 1 124 
3
2 4 6 
19 3 124 
5
1 2 3 5 6 
1 19 1 1 124 
4
2 3 5 6 
19 1 1 125 
4
2 3 5 6 
20 1 1 124 
4
2 3 5 6 
19 1 2 124...

result:

wrong answer jury has worse answer? check your output.

Subtask #4:

score: 0
Wrong Answer

Test #8:

score: 0
Wrong Answer
time: 376ms
memory: 55748kb

input:

4 257
100000 100
32768 65536 262144 32768 8388608 1048576 4 67108864 16384 32768 262144 8192 512 134217728 65536 4194304 262144 67108864 1024 262144 64 32 65536 2097152 268435456 1 2048 4194304 16777216 8 16384 2 2048 16777216 268435456 262144 1048576 8388608 16 268435456 2 128 4194304 262144 32768 ...

output:

303389274
100
13
4330 6806 12450 15412 16083 20338 30949 31755 45139 48217 59387 59608 74711 
1048576 262144 33554432 16384 8 2048 2 512 4096 16 64 65536 268435456 
13
4330 6806 12450 15412 16083 20338 31755 45139 48217 59387 59608 74711 86656 
1048576 262144 33554432 16384 8 2048 512 4096 16 64 655...

result:

wrong answer jury has worse answer? check your output.

Subtask #5:

score: 0
Wrong Answer

Test #18:

score: 0
Wrong Answer
time: 940ms
memory: 56100kb

input:

5 10000
10 1
0 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823
10 1
0 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823
10 1
0 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741...

output:

536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
536870912
0
...

result:

wrong answer jury has worse answer? check your output.

Subtask #6:

score: 0
Wrong Answer

Test #22:

score: 0
Wrong Answer
time: 4ms
memory: 55016kb

input:

6 23
1000 10
0 357293452 452461848 986047039 546588280 762710079 767831017 39741545 416114273 515599366 1018969624 603342125 928112286 1053016142 240953466 533088067 1028134429 504727014 371307863 834428873 968387878 478550336 1047217797 1046651542 777749850 866989319 92995163 251915198 363285573 10...

output:

264227
10
12
134 203 349 355 565 569 673 786 876 955 996 999 
5 2638 1 9 531 1 1 697 251113 10 5226 3995 
12
134 203 349 355 542 565 673 786 876 955 996 999 
5 2638 1 9 1 531 1 697 251113 10 5226 3995 
12
134 203 349 355 543 565 673 786 876 955 996 999 
5 2638 1 9 1 531 1 697 251113 10 5226 3995 
12...

result:

wrong answer jury has worse answer? check your output.

Subtask #7:

score: 0
Skipped

Dependency #3:

0%

Subtask #8:

score: 0
Skipped

Dependency #7:

0%

Subtask #9:

score: 0
Skipped

Dependency #8:

0%