QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#548693#9221. Missing BoundarieswangsiyuanZP#WA 39ms8332kbC++141.7kb2024-09-05 20:11:362024-09-05 20:11:36

Judging History

你现在查看的是最新测评结果

  • [2024-09-05 20:11:36]
  • 评测
  • 测评结果:WA
  • 用时:39ms
  • 内存:8332kb
  • [2024-09-05 20:11:36]
  • 提交

answer

#include<bits/stdc++.h>

typedef long long ll;

#define MAXN 200005

struct Node{
	ll l,r;
	friend bool operator<(Node a,Node b){
		return ((a.l?a.l:a.r)<(b.l?b.l:b.r));
	}
};

ll n,l,cnt,c0,c1;
Node p[MAXN];
ll s[MAXN];

bool ch(ll a,ll l,ll r){
	return (a>=l)&&(a<=r);
}

void run(){
	cnt=c0=c1=0;
	memset(s,0,sizeof(s));
	
	std::cin>>n>>l;
	for(ll i=1;i<=n;i++){
		std::cin>>p[i].l>>p[i].r;
		p[i].l=std::max(p[i].l,0ll);
		p[i].r=std::max(p[i].r,0ll);
	}
	std::sort(p+1,p+n+1);
	s[0]=0;
	for(ll i=1;i<=n;i++){
		if(p[i].l+p[i].r==0){
			cnt++; 
		}
	}
	p[cnt].l=p[cnt].r=0;
	p[n+1].l=p[n+1].r=l+1;
	for(int i=cnt+1;i<=n+1;i++){
		if(!((p[i-1].l&&p[i-1].r)||(p[i].l&&p[i].r))){
			if(p[i-1].l+p[i-1].r==p[i].l+p[i].r){
				std::cout<<"NIE"<<std::endl;
				return;
			}
		}else if(p[i-1].l&&p[i-1].r){
			if(ch(p[i].l,p[i-1].l,p[i-1].r)||ch(p[i].r,p[i-1].l,p[i-1].r)){
				std::cout<<"NIE"<<std::endl;
				return;				
			}
		}else{
			if(ch(p[i-1].l,p[i].l,p[i].r)||ch(p[i-1].r,p[i].l,p[i].r)){
				std::cout<<"NIE"<<std::endl;
				return;				
			}			
		}
		if(p[i-1].r&&p[i].l){
			if(p[i-1].r+1<p[i].l){
				c0++;
				c1+=p[i].r-p[i-1].l-1;		
			} 
		}else if(p[i].l){
			if(p[i-1].l+1<p[i].l){
				c1+=p[i].l-p[i-1].l-1;					
			}
		}else if(p[i-1].r){
			if(p[i-1].r+1<p[i].r){
				c1+=p[i].r-p[i-1].r-1;					
			}			
		}else{
			if(p[i-1].l+1<p[i].r){
				c1+=p[i].r-p[i].l+1;
			}
		}
	}
	if(cnt>=c0&&cnt<=c1) std::cout<<"TAK"<<std::endl;
	else std::cout<<"NIE"<<std::endl; 

	return;
}

int T;
int main(){
	std::ios::sync_with_stdio(false);
	
	std::cin>>T;
	for(int i=1;i<=T;i++){
		run();
	}
	
	return 0;
} 

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 7176kb

input:

3
4 51
1 -1
11 50
-1 -1
-1 10
3 2
-1 -1
-1 -1
-1 -1
2 3
1 2
2 3

output:

TAK
NIE
NIE

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 39ms
memory: 8292kb

input:

1
200000 1000000000
490669427 -1
224278942 224287156
821104480 -1
861696576 861702036
807438935 807440055
574078002 574083717
465630141 -1
195378188 -1
-1 13500961
-1 977536179
92893115 -1
-1 661145418
-1 215804863
-1 685338515
544348999 -1
465532902 -1
130346949 -1
-1 526666304
635604584 635605404
...

output:

TAK

result:

ok single line: 'TAK'

Test #3:

score: 0
Accepted
time: 1ms
memory: 6052kb

input:

3
4 51
1 -1
11 50
-1 -1
-1 10
3 2
-1 -1
-1 -1
-1 -1
2 3
1 2
2 3

output:

TAK
NIE
NIE

result:

ok 3 lines

Test #4:

score: 0
Accepted
time: 34ms
memory: 8316kb

input:

1
197838 400000
34167 34169
352180 -1
235963 -1
-1 -1
160401 160405
347288 -1
270353 270354
214502 214504
183243 183245
-1 -1
-1 36193
-1 -1
-1 17557
273498 273500
269137 -1
395099 395100
285515 285518
-1 -1
71041 71042
324060 -1
-1 385151
-1 379645
-1 -1
-1 185142
-1 191584
89259 89261
328347 32834...

output:

TAK

result:

ok single line: 'TAK'

Test #5:

score: 0
Accepted
time: 30ms
memory: 6912kb

input:

2
97340 150000
-1 101927
105937 -1
-1 107253
-1 47307
110550 -1
84061 84062
125176 125177
-1 15915
29617 -1
-1 -1
-1 43147
115958 -1
101807 101808
24866 -1
66826 66828
-1 31640
-1 5610
1281 1284
-1 -1
-1 -1
-1 73973
-1 2945
29064 -1
30653 -1
-1 63714
-1 -1
141389 141390
-1 27465
57358 -1
47388 47389...

output:

NIE
NIE

result:

ok 2 lines

Test #6:

score: 0
Accepted
time: 34ms
memory: 6304kb

input:

4
50000 50000
11702 -1
-1 3148
30364 -1
48876 -1
-1 10739
-1 44459
11634 -1
39348 -1
38829 -1
16182 -1
37933 -1
35295 -1
43280 -1
37745 -1
-1 40076
358 -1
14043 -1
13975 -1
41942 -1
-1 13182
14780 -1
-1 14663
3998 -1
-1 24474
-1 6583
-1 9620
-1 37944
12103 -1
8307 -1
45760 -1
-1 2924
25441 -1
-1 194...

output:

TAK
NIE
NIE
NIE

result:

ok 4 lines

Test #7:

score: -100
Wrong Answer
time: 34ms
memory: 8332kb

input:

1
197884 400000
299276 299281
340251 -1
-1 350350
315166 -1
103436 103438
164740 164742
237539 -1
383864 -1
205194 -1
-1 -1
69029 69030
-1 -1
231837 231838
35835 35837
387743 -1
125024 -1
-1 -1
-1 -1
-1 -1
-1 283202
94212 94213
219223 219224
-1 -1
-1 139549
260062 -1
387170 387173
-1 328548
-1 -1
-1...

output:

TAK

result:

wrong answer 1st lines differ - expected: 'NIE', found: 'TAK'