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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#867643#9685. nim 游戏lgvc22 1605ms55788kbC++234.2kb2025-01-23 20:53:582025-01-23 20:53:58

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 20:53:58]
  • 评测
  • 测评结果:22
  • 用时:1605ms
  • 内存:55788kb
  • [2025-01-23 20:53:58]
  • 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) {
				if(0==tq.size()) {
					return (1ll<<62);
				}
				tq[0].b+=(1ll<<i);
				aq+=(1ll<<i);
			}
		}
	}	
	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++) {
			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);
		}
		int ans=INF_LL;
		for(int i=0;i<=60;i++) {
			std::vector<n_t> tq;
			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);
		}
		for(int i=0;i<=60;i++) {
			std::vector<n_t> tq;
			for(int j=1;j<=N;j++) {
				int t=p[i][j];
				if((a[t]>>j)&1) break;
				int x=(a[t]&((1ll<<i)-1));
				tq.push_back((n_t){t,(1ll<<i)-x});
				if(!qj(60,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: 2
Acceptable Answer

Test #1:

score: 2
Acceptable Answer
time: 1605ms
memory: 55200kb

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:

231577765
1
1
1 
231577765 
686589099
1
1
1 
686589099 
373636061
0
275411170
1
1
2 
275411170 
613727335
1
1
2 
613727335 
283126570
1
1
2 
283126570 
619038494
0
410306155
1
1
1 
410306155 
286827294
1
1
2 
286827294 
62385817
0
126513950
0
731638219
0
130065995
0
295114692
0
301034148
0
338094653...

result:

points 0.5 right answer but not right solutions at 9999th solution

Subtask #2:

score: 6
Acceptable Answer

Test #2:

score: 6
Acceptable Answer
time: 0ms
memory: 55004kb

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

result:

points 0.5 right answer but not right solutions at 4th solution

Test #3:

score: 6
Acceptable Answer
time: 2ms
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
1
3
1 4 5 
4 1 1 
1
4
1
1 
1 
1
2 
1 
1
4 
1 
1
5 
1 
8
8
3
1 2 5 
4 1 3 
3
2 4 5 
1 4 3 
2
2 5 
5 3 
2
2 5 
1 7 
3
1 2 5 
2 3 3 
3
2 4 5 
3 2 3 
2
2 5 
3 5 
2
2 5 
7 1 
2
1
2
1 5 
1 1 
10
13
2
1 4 
3 7 
2
1 4 
1 9 
2
1 4 
9 1 
3
1 2 4 
2 1 7 
3
1 2 4 
8 1 1 
3
1 3 4 
8 1 1 
2
1 4 
8 2 
2
2 4 
1 9...

result:

points 0.5 right answer but not right solutions at 4th solution

Test #4:

score: 12
Accepted
time: 1ms
memory: 54996kb

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: 6
Acceptable Answer

Dependency #2:

50%
Acceptable Answer

Test #5:

score: 12
Accepted
time: 12ms
memory: 55384kb

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

result:

ok correct answer

Test #6:

score: 6
Acceptable Answer
time: 5ms
memory: 55124kb

input:

3 5
6 2000
0 75 173 555 637 905
6 2000
0 934 118 906 367 728
6 2000
0 244 321 598 625 469
6 2000
0 573 489 24 480 459
6 2000
0 424 356 750 623 871

output:

557
483
5
1 2 3 5 6 
11 53 339 131 23 
5
1 2 3 5 6 
9 53 341 131 23 
5
1 2 3 5 6 
9 53 339 133 23 
5
1 2 3 5 6 
9 55 339 131 23 
5
1 2 3 5 6 
9 53 339 131 25 
5
1 2 3 5 6 
3 53 347 131 23 
5
1 2 3 5 6 
1 53 349 131 23 
5
1 2 3 5 6 
1 53 347 133 23 
5
1 2 3 5 6 
1 55 347 131 23 
5
1 2 3 5 6 
1 53 347...

result:

points 0.5 right answer but not right solutions at 2th solution

Test #7:

score: 6
Acceptable Answer
time: 11ms
memory: 55256kb

input:

3 5
6 2000
0 886 972 226 813 407
6 2000
0 219 190 742 101 572
6 2000
0 590 423 516 1017 46
6 2000
0 388 807 207 205 647
6 2000
0 408 180 238 300 694

output:

176
25
5
1 2 4 5 6 
8 10 30 23 105 
5
1 2 4 5 6 
8 10 30 19 109 
5
1 2 4 5 6 
8 10 34 19 105 
5
1 2 4 5 6 
8 14 30 19 105 
5
1 2 4 5 6 
12 10 30 19 105 
5
1 2 4 5 6 
4 10 30 27 105 
4
2 4 5 6 
10 30 31 105 
4
2 4 5 6 
10 30 27 109 
4
2 4 5 6 
10 34 27 105 
4
2 4 5 6 
14 30 27 105 
5
1 2 4 5 6 
4 10 ...

result:

points 0.5 right answer but not right solutions at 4th solution

Subtask #4:

score: 0
Wrong Answer

Test #8:

score: 0
Wrong Answer
time: 544ms
memory: 55788kb

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
Time Limit Exceeded

Test #18:

score: 0
Time Limit Exceeded

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:

1073741823
1
1
1 
1073741823 
1073741823
1
1
1 
1073741823 
1073741823
1
1
1 
1073741823 
1073741823
1
1
1 
1073741823 
1073741823
1
1
1 
1073741823 
1073741823
1
1
1 
1073741823 
1073741823
1
1
1 
1073741823 
1073741823
1
1
1 
1073741823 
1073741823
1
1
1 
1073741823 
1073741823
1
1
1 
1073741823 
...

result:


Subtask #6:

score: 8
Acceptable Answer

Test #22:

score: 8
Acceptable Answer
time: 10ms
memory: 55128kb

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:

points 0.5 right answer but not right solutions at 23th solution

Test #23:

score: 8
Acceptable Answer
time: 14ms
memory: 55136kb

input:

6 23
1000 10
0 978686021 287986921 276311856 889616598 739968417 1060147652 463275477 172393699 591333230 983197307 235514434 330494755 449056272 882229818 781111474 275587745 980041928 334198691 305313012 415758352 947298893 950211162 909723054 961622596 917454340 161928901 404346316 369133631 1038...

output:

709905
10
15
32 178 232 279 283 433 482 656 677 727 757 842 917 977 978 
56 1 1 3862 6 1 12836 4 1 47 1 693086 1 1 1 
15
32 232 279 283 433 482 656 677 727 757 808 842 917 977 978 
56 1 3862 6 1 12836 4 1 47 1 1 693086 1 1 1 
15
32 160 232 279 283 433 482 656 677 727 757 842 917 977 978 
56 1 1 3862...

result:

points 0.5 right answer but not right solutions at 21th solution

Test #24:

score: 8
Acceptable Answer
time: 13ms
memory: 55144kb

input:

6 15
1000 10
0 631723071 149784582 965844254 515554472 887253148 467825521 981769969 1054193550 627909969 590277818 159342752 658063143 667914173 169490051 25536270 337269419 1056885019 980490575 750858271 553446484 347553447 376197986 1053224035 473470890 123586 97769047 761755924 510998818 2560945...

output:

737485
10
15
102 172 237 265 384 474 599 625 626 643 747 790 831 880 924 
1 27 1 227 215546 2917 6 7 1 1 87404 1600 16 41649 388082 
15
172 237 265 384 474 515 599 625 626 643 747 790 831 880 924 
27 1 227 215546 2917 1 6 7 1 1 87404 1600 16 41649 388082 
15
172 237 265 384 474 520 599 625 626 643 7...

result:

points 0.5 right answer but not right solutions at 12th solution

Test #25:

score: 8
Acceptable Answer
time: 20ms
memory: 55144kb

input:

6 25
1000 10
0 751950140 901599329 987895071 306253500 278530668 539473653 911723672 948474628 722632384 369217860 428703545 999113214 567923990 53499297 1013528916 263060554 669297221 349021033 832596533 893306880 892438572 345611286 331257977 488113061 578929864 881846255 320356815 76057168 704694...

output:

1119212
10
14
97 122 215 236 303 431 528 552 555 576 717 887 920 950 
7 5641 149775 107 1 6002 26620 674 1 1237 6239 922903 1 4 
14
97 122 215 236 431 528 552 555 576 717 840 887 920 950 
7 5641 149775 107 6002 26620 674 1 1237 6239 1 922903 1 4 
14
97 122 215 236 352 431 528 552 555 576 717 887 920...

result:

points 0.5 right answer but not right solutions at 21th solution

Test #26:

score: 16
Accepted
time: 6ms
memory: 54936kb

input:

6 2
1000 1
0 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1073741823 1...

output:

1073741823
1
1
1 
1073741823 
1073741823
1
1
1 
1073741823 

result:

ok correct answer

Subtask #7:

score: 0
Skipped

Dependency #3:

50%
Acceptable Answer

Dependency #5:

0%

Subtask #8:

score: 0
Skipped

Dependency #7:

0%

Subtask #9:

score: 0
Skipped

Dependency #8:

0%