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HIIT Open 2018

Start:2018-05-26 11:00:00
End:2018-05-26 16:00:00
 

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CSES - HIIT Open 2018 - Results
History
2018-05-26 15:59:15
2018-05-26 15:53:54
2018-05-26 15:51:13
2018-05-26 12:32:24
Task:Coins
Sender:Oispa nutellaa
Submission time:2018-05-26 15:59:15
Language:C++
Status:READY
Result:WRONG ANSWER

Test results

testverdicttime (s)
#1WRONG ANSWER0.10 / 1.00details
#2ACCEPTED0.07 / 1.00details
#3WRONG ANSWER0.06 / 1.00details
#4WRONG ANSWER0.07 / 1.00details
#5WRONG ANSWER0.08 / 1.00details

Code

#include <iostream>

using namespace std;

int n;

int mx[4];
int sz[4];

bool sqt[4][200005];
int mxsi[4];

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cin >> n;
	mxsi[1] = mxsi[2] = -1;
	for (int i = 0; i < n; ++i) {
		int c, s;
		cin >> c >> s;
		sz[s]++;
		mx[s] = max(mx[s], c);
		
		sqt[s][c] = true;
		if (sqt[s][c-1]) mxsi[s] = max(mxsi[s], c);
		if (sqt[s][c+1]) mxsi[s] = max(mxsi[s], c+1);
		
		if (sz[1] == 0) cout << "<\n";
		else if (sz[2] == 0) cout << ">\n";
		else if (sz[1] == 1 && mx[2] > mx[1]) {
			cout << "<\n";
		}
		else if (sz[2] == 1 && mx[1] > mx[2]) {
			cout << ">\n";
		}
		else if (sz[1] < sz[2]) {
			cout << "<\n";
		}
		else if (sz[1] > sz[2]) {
			cout << ">\n";
		}
		else {
			if (mx[1] > mx[2] && mxsi[2] == -1) cout << ">\n";
			else if (mx[1] < mx[2] && mxsi[1] == -1) cout << "<\n";
			else if (mx[1] > mx[2] && mxsi[1] > mxsi[2]) cout << ">\n";
			else if (mx[1] < mx[2] && mxsi[1] < mxsi[2]) cout << "<\n";
			else cout << "?\n";
		}
	}
	return 0;
}

Test details

Test 1

Verdict: WRONG ANSWER

input
200000
175878 1
146174 1
4939 2
181388 1
27963 2
28393 1
101955 2
129380 1
53446 1
56883 2
41641 2
52574 1
185690 2
17672 2
187 2
29223 1
116434 2
81263 2
153912 2
...
view   save

correct output
>
>
>
>
>
>
>
>
>
>
>
>
?
?
?
?
?
?
?
?
...
view   save

user output
>
>
>
>
>
>
>
>
>
>
>
>
>
<
<
<
<
<
<
<
...
view   save

Test 2

Verdict: ACCEPTED

input
200000
1 2
2 1
3 2
4 1
5 2
6 1
7 2
8 1
9 2
10 1
11 2
12 1
13 2
14 1
15 2
16 1
17 2
18 1
19 2
...
view   save

correct output
<
>
<
>
<
>
<
>
<
>
<
>
<
>
<
>
<
>
<
>
...
view   save

user output
<
>
<
>
<
>
<
>
<
>
<
>
<
>
<
>
<
>
<
>
...
view   save

Test 3

Verdict: WRONG ANSWER

input
200000
1 1
2 1
3 1
4 1
5 1
6 2
7 2
8 2
9 2
10 2
11 1
12 1
13 1
14 1
15 1
16 2
17 2
18 2
19 2
...
view   save

correct output
>
>
>
>
>
?
?
?
?
<
?
?
?
?
>
?
?
?
?
<
...
view   save

user output
>
>
>
>
>
>
>
>
>
<
>
>
>
>
>
>
>
>
>
<
...
view   save

Test 4

Verdict: WRONG ANSWER

input
200000
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 1
13 1
14 1
15 1
16 1
17 1
18 1
19 1
...
view   save

correct output
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
...
view   save

user output
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
...
view   save

Test 5

Verdict: WRONG ANSWER

input
200000
188909 2
58944 1
26824 1
143263 2
108129 2
170746 1
129857 2
151652 1
92616 1
5122 1
85017 2
133713 2
130510 1
23167 2
55879 2
81852 1
117028 1
185678 1
5335 2
...
view   save

correct output
<
<
?
<
<
<
<
?
?
?
?
?
?
?
?
?
?
?
?
?
...
view   save

user output
<
<
>
<
<
<
<
<
>
>
>
<
>
<
<
<
>
>
>
<
...
view   save