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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#867425#9685. nim 游戏lgvc#28 2377ms13068kbC++233.9kb2025-01-23 15:52:302025-01-23 15:52:32

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 15:52:32]
  • 评测
  • 测评结果:28
  • 用时:2377ms
  • 内存:13068kb
  • [2025-01-23 15:52:30]
  • 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[1000009],b[1000009],c[1000009];
#define LL long long
LL sv() {
	LL aq=0;
	for(int i=1;i<=N;i++) c[i]=a[i];
	for(int i=60;i>=0;i--) {
		bool ff=0;
		int ss=0;
		for(int j=1;j<=N;j++) {
			if((a[j]>>i)&1) ff^=1;
			ss^=a[j];
		}
		if(ff) {
			int ans=(1ll<<61);
			for(int j=1;j<=N;j++) {
				if((a[j]>>i)%2==0) {
					int x=(a[j]&((1ll<<i)-1));
					ans=std::min(ans,(1ll<<i)-x);
				}
			}
			if(ans==(1ll<<61)) {
				for(int i=1;i<=N;i++) a[i]=c[i];
				return (1ll<<62)-1;
			}
			for(int j=1;j<=N;j++) {
				if((a[j]>>i)%2==0) {
					int x=(a[j]&((1ll<<i)-1));
					if(ans==(1ll<<i)-x) {
						a[j]+=(1ll<<i)-x;
						aq+=(1ll<<i)-x;
						break;
					}
				}
			}
		}
	}	
	for(int i=1;i<=N;i++) a[i]=c[i];
	return aq;	
}
struct n_t{
	int a,b;
};
std::unordered_map<int,int> vi;
std::vector<n_t> t[10009];
int ct;
void cl() {
	if(ct==M) return;
	int vm=0;
	for(int j=1;j<=N;j++) {
		vm=(vm*137+a[j])%10000000000000061ll;
	}
	if(vi[vm]) return;
	vi[vm]=1;
	ct++;
	for(int j=1;j<=N;j++) {
		if(a[j]!=b[j]) {
			t[ct].push_back((n_t){j,a[j]-b[j]});
		}
	}
}
void qj(int i,LL va) {	
	if(i==-1) {
		cl();
		return;
	}
	if(va!=sv()) return;
	LL aq=0;
	bool ff=0;
	int ss=0;
	for(int j=1;j<=N;j++) {
		if((a[j]>>i)&1) ff^=1;
		ss^=a[j];
	}
	if(ff) {
		int ans=(1ll<<61);
		for(int j=1;j<=N;j++) {
			if((a[j]>>i)%2==0) {
				int x=(a[j]&((1ll<<i)-1));
				ans=std::min(ans,(1ll<<i)-x);
			}
		}
		for(int j=1;j<=N;j++) {
			if((a[j]>>i)%2==0) {
				int x=(a[j]&((1ll<<i)-1));
				a[j]+=(1ll<<i)-x;
				qj(i-1,va-(1ll<<i)+x);
				if(ct==M) return;
				a[j]-=(1ll<<i)-x;
			}
		}
	} else {
		qj(i-1,va);
	}
	if(ct==M) return;
}
#define INF_LL 0x3f3f3f3f3f3f3f3f
signed main(void) {
	C=read();T=read();
	while(T--) {
		vi.clear();
		N=read();M=read();
		ct=0;
		int 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;
		}
		long long ans=(1ll<<62)-1;
		for(int j=60;j>=0;j--) {
			if(ss>=(1ll<<j+1)) continue;
			int as=(1ll<<60)-1;
			for(int i=1;i<=N;i++) {
				if(((a[i]>>j)&1)==0) {
					int vv=(a[i]&((1ll<<j)-1));
					as=std::min(as,(1ll<<j)-vv);
				}
			}
			for(int i=1;i<=N;i++) {
				if(((a[i]>>j)&1)==0) {
					int vv=(a[i]&((1ll<<j)-1));
					if(as==(1ll<<j)-vv) {
						a[i]+=(1ll<<j)-vv;
						ans=std::min(ans,sv()+(1ll<<j)-vv);
						a[i]-=(1ll<<j)-vv;
						break;
					}
				}
			}
		}
		for(int j=60;j>=0;j--) {
			if(ss>=(1ll<<j+1)) continue;
			int as=(1ll<<60)-1;
			for(int i=1;i<=N;i++) {
				if(((a[i]>>j)&1)==0) {
					int vv=(a[i]&((1ll<<j)-1));
					as=std::min(as,(1ll<<j)-vv);
				}
			}
			for(int i=1;i<=N;i++) {
				if(((a[i]>>j)&1)==0) {
					int vv=(a[i]&((1ll<<j)-1));
					a[i]+=(1ll<<j)-vv;
					qj(60,ans-(1ll<<j)+vv);
					a[i]-=(1ll<<j)-vv;
				}
			}
			if(ct==M) break;
		}
		printf("%lld\n%lld\n",ans,ct);
		for(int i=1;i<=ct;i++) {
			printf("%lld\n",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: 4
Accepted

Test #1:

score: 4
Accepted
time: 199ms
memory: 12344kb

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
1
1
1 
373636061 
275411170
1
1
2 
275411170 
613727335
1
1
2 
613727335 
283126570
1
1
2 
283126570 
619038494
1
1
2 
619038494 
410306155
1
1
1 
410306155 
286827294
1
1
2 
286827294 
62385817
1
1
1 
62385817 
126513950
1
1
2 
12651...

result:

ok correct answer

Subtask #2:

score: 12
Accepted

Test #2:

score: 12
Accepted
time: 1ms
memory: 9932kb

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: 10072kb

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
2
2 5 
7 1 
3
1 2 5 
4 1 3 
3
1 2 5 
2 3 3 
2
2 5 
5 3 
3
2 4 5 
3 2 3 
2
2 5 
3 5 
3
2 4 5 
1 4 3 
2
2 5 
1 7 
2
4
2
1 5 
1 1 
2
3 5 
1 1 
2
4 5 
1 1 
1
5 
2 
10
13
1
1 
10 
2
1 4 
9 1 
3
1 2 4 
8 1 1 
3
1 3 4 
8 1 1 
2
1 4 
8 ...

result:

ok correct answer

Test #4:

score: 12
Accepted
time: 1ms
memory: 10068kb

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
1
1 
2 
2
1 5 
1 1 
2
2 5 
1 1 
2
4 5 
1 1 
1
5 
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: 12
Accepted

Dependency #2:

100%
Accepted

Test #5:

score: 12
Accepted
time: 2ms
memory: 10160kb

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

result:

ok correct answer

Test #6:

score: 12
Accepted
time: 1ms
memory: 10020kb

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
4
1 2 3 5 
34 437 83 3 
4
1 2 3 5 
32 439 83 3 
4
1 2 3 5 
32 437 85 3 
4
1 2 3 5 
32 437 83 5 
5
1 2 3 5 6 
33 437 83 3 1 
5
1 2 3 5 6 
32 438 83 3 1 
5
1 2 3 5 6 
32 437 84 3 1 
5
1 2 3 5 6 
32 437 83 4 1 
5
1 2 3 5 6 
32 437 83 3 2 
4
1 2 3 5 
2 469 83 3 
3
2 3 5 
471 83 3 
3
2 3 5 
469 8...

result:

ok correct answer

Test #7:

score: 12
Accepted
time: 2ms
memory: 10320kb

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 
12 10 30 19 105 
5
1 2 4 5 6 
8 14 30 19 105 
5
1 2 4 5 6 
8 10 34 19 105 
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 
4 18 30 19 105 
4
2 4 5 6 
22 30 19 105 
4
2 4 5 6 
18 34 19 105 
4
2 4 5 6 
18 30 23 105 
4
2 4 5 6 
18 30 19 109 
5
1 2 4 5 6 
4 10 ...

result:

ok correct answer

Subtask #4:

score: 0
Time Limit Exceeded

Test #8:

score: 0
Time Limit Exceeded

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:


result:


Subtask #5:

score: 0
Time Limit Exceeded

Test #18:

score: 12
Accepted
time: 2377ms
memory: 13068kb

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:

ok correct answer

Test #19:

score: 0
Time Limit Exceeded

input:

5 2323
100000 1
0 3170633 888529329 347839787 101667249 273239696 1028446182 411994109 710973319 298677951 299452068 519308796 361451040 488605068 74238166 997794448 478367019 532094220 747266199 217905213 682359917 774814810 234838947 456387659 38459020 434013070 633290806 173828476 94076883 568288...

output:


result:


Subtask #6:

score: 0
Time Limit Exceeded

Test #22:

score: 0
Time Limit Exceeded

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:


result:


Subtask #7:

score: 0
Skipped

Dependency #3:

100%
Accepted

Dependency #5:

0%

Subtask #8:

score: 0
Skipped

Dependency #7:

0%

Subtask #9:

score: 0
Skipped

Dependency #8:

0%