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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#582069#9221. Missing BoundariesDisplace_#WA 38ms5164kbC++172.0kb2024-09-22 15:13:222024-09-22 15:13:23

Judging History

你现在查看的是最新测评结果

  • [2024-09-22 15:13:23]
  • 评测
  • 测评结果:WA
  • 用时:38ms
  • 内存:5164kb
  • [2024-09-22 15:13:22]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
#define fi first
#define se second
#define mapa make_pair
const int N=2e5+5;
int Test, n, L;
vector<pii> seg;
vector<int> lb, rb;
int cnt;
vector<pii> vec;
inline bool solve(){
	for(int i=0; i<(int)seg.size()-1; ++i){
		if(seg[i].se>=seg[i+1].fi) return 0;
	}
	int curl=1;
	for(int i=0; i<(int)seg.size(); ++i){
		if(curl<seg[i].fi) vec.emplace_back(curl, seg[i].fi-1);
		curl=seg[i].se+1;
	}
	if(curl<=L) vec.emplace_back(curl, L);
	int it1=0, it2=0;
	int sum=0;
	for(auto t:vec){
		int cl=t.fi, cr=t.se;
//		cout<<cl<<' '<<cr<<endl;
		vector<pii> tem;
		while(it1<(int)lb.size()){
			if(lb[it1]<cl) return 0;
			if(lb[it1]>cr) break;
			tem.emplace_back(lb[it1], 0);
			++it1;
		}
		while(it2<(int)rb.size()){
			if(rb[it2]<cl) return 0;
			if(rb[it2]>cr) break;
			tem.emplace_back(rb[it2], 1);
			++it2;
		}
		if(tem.empty()){
			if(!cnt) return 0;
			sum+=cr-cl;
			--cnt;
			continue;
		}
		sort(tem.begin(), tem.end());
//		for(auto t:tem) cout<<"print"<<t.fi<<' '<<t.se<<endl;
		for(int i=0; i<(int)tem.size()-1; ++i){
			if(tem[i].fi==tem[i+1].fi) return 0;
		}
		if(tem[0].se==0&&tem[0].fi>cl){
//			cout<<"here\n";
			if(!cnt) return 0;
			--cnt; --sum;
		}
		if(tem.back().se==1&&tem.back().fi<cr) {
//			cout<<"here2\n";
			if(!cnt) return 0;
			--cnt; --sum;
		}
		sum+=cr-cl+1;
	}
//	cout<<cnt<<' '<<sum<<' '<<lb.size()<<' '<<rb.size()<<endl;
	return sum>=cnt+lb.size()+rb.size();
}
int main(){
	scanf("%d", &Test);
	while(Test--){
		scanf("%d%d", &n, &L);
		lb.clear(); rb.clear(); cnt=0; seg.clear(); vec.clear();
		for(int i=1, l, r; i<=n; ++i) {
			scanf("%d%d", &l, &r);
			if(l==-1&&r==-1) ++cnt;
			else if(l==-1) rb.emplace_back(r);
			else if(r==-1) lb.emplace_back(l);
			else seg.emplace_back(l, r);
		}
		sort(seg.begin(), seg.end());
		sort(lb.begin(), lb.end());
		sort(rb.begin(), rb.end());
		if(solve()) printf("TAK\n");
		else printf("NIE\n");
	}
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3772kb

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: 38ms
memory: 4804kb

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: 0ms
memory: 3992kb

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: 33ms
memory: 5164kb

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: 29ms
memory: 4024kb

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: -100
Wrong Answer
time: 31ms
memory: 3980kb

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
TAK

result:

wrong answer 4th lines differ - expected: 'NIE', found: 'TAK'