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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
#201104#3482. sortablehjk10066ms2376kbC++11805b2024-01-21 09:12:482024-01-21 12:03:19

answer

#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
using namespace std;
ll q,n,a[100005];
queue<ll> p;
stack<ll> s;
int main() {
	scanf("%d",&q);
	while(q--) {
		scanf("%d",&n);
		for(int i=1; i<=n; i++) {
			scanf("%d",a+i);
		}
		for(int i=1; i<=n; i++) {
			if(s.empty()) {
				s.push(a[i]);
			} else {
				while(s.size()&&a[i]>s.top()) {
					p.push(s.top());
					s.pop();
				}
				s.push(a[i]);
			}
		}
		while(s.size()) {
			p.push(s.top());
			s.pop();
		}
		ll pos=1,f=1;
		while(p.size()){
			ll a=p.front();
			if(a!=pos){
				printf("NO\n");
				f=0;
				break;
			}
			p.pop();
			pos++;
		}
		if(f){
			printf("YES\n");
		}
		while(p.size()){
			p.pop();
		}
		while(s.size()){
			s.pop();
		}
	}
	return 0;
}

详细

小提示:点击横条可展开更详细的信息

Test #1:

score: 10
Accepted
time: 0ms
memory: 1224kb

input:

10
10
4 2 1 3 8 7 6 5 9 10
10
3 7 6 4 8 10 5 9 2 1
10
1 3 2 4 8 5 7 6 10 9
10
8 7 1 2 6 5 4 3 10 9
1...

output:

YES
NO
YES
YES
YES
YES
YES
YES
NO
NO

result:

ok 10 lines

Test #2:

score: 10
Accepted
time: 0ms
memory: 1228kb

input:

10
10
10 6 4 8 1 3 9 5 2 7
10
2 1 3 9 8 7 4 5 6 10
10
1 9 6 2 3 7 4 8 10 5
10
3 1 2 5 4 6 10 8 7 9
1...

output:

NO
YES
NO
YES
YES
YES
YES
YES
YES
YES

result:

ok 10 lines

Test #3:

score: 10
Accepted
time: 1ms
memory: 1228kb

input:

10
10
9 8 7 6 5 4 2 1 3 10
10
7 10 2 5 1 3 8 4 6 9
10
4 6 2 7 8 9 3 10 5 1
10
5 4 1 2 3 6 7 8 9 10
1...

output:

YES
NO
NO
YES
NO
NO
YES
NO
YES
YES

result:

ok 10 lines

Test #4:

score: 10
Accepted
time: 12ms
memory: 2112kb

input:

10
55985
29565 29563 29562 29352 29346 29328 29326 29325 29324 29323 29320 29319 29314 29313 29312 2...

output:

YES
NO
YES
YES
YES
YES
YES
NO
YES
NO

result:

ok 10 lines

Test #5:

score: 10
Accepted
time: 7ms
memory: 1928kb

input:

10
7763
3680 277 7608 5750 4337 7049 5804 3272 1940 4138 656 4368 3918 6305 3327 5872 4032 2233 5256...

output:

NO
YES
NO
YES
YES
NO
NO
YES
YES
YES

result:

ok 10 lines

Test #6:

score: 10
Accepted
time: 11ms
memory: 2376kb

input:

10
71974
28234 36059 56781 31385 50663 31905 45178 38510 58367 71478 55134 3951 16243 44225 5711 699...

output:

NO
YES
NO
NO
NO
YES
YES
YES
NO
NO

result:

ok 10 lines

Test #7:

score: 10
Accepted
time: 9ms
memory: 1980kb

input:

10
51542
1512 25827 42622 23126 27057 8283 46006 27813 21072 29589 10487 8260 37934 48675 27116 4708...

output:

NO
NO
YES
YES
YES
NO
NO
NO
YES
NO

result:

ok 10 lines

Test #8:

score: 10
Accepted
time: 12ms
memory: 2112kb

input:

10
61442
27627 49016 59575 37948 60082 14313 44305 48280 31222 36746 30283 42328 23889 42782 25771 4...

output:

NO
NO
NO
YES
YES
YES
NO
YES
YES
NO

result:

ok 10 lines

Test #9:

score: 10
Accepted
time: 7ms
memory: 1884kb

input:

10
17970
3118 3116 3114 3113 3108 3107 3106 2092 2091 2089 2088 2087 2085 2081 2080 2079 2077 2067 2...

output:

YES
YES
NO
NO
YES
NO
NO
YES
NO
YES

result:

ok 10 lines

Test #10:

score: 10
Accepted
time: 7ms
memory: 2256kb

input:

10
64613
49144 62298 12440 25315 54016 17872 58100 38381 41434 10557 57214 23632 29057 62471 48206 2...

output:

NO
YES
NO
NO
NO
YES
NO
NO
NO
YES

result:

ok 10 lines