CSES - APIO 2015 - Results
Submission details
Task:Jakarta Skyscrapers
Sender:Olli
Submission time:2019-04-07 15:20:31 +0300
Language:C++
Status:READY
Result:36
Feedback
groupverdictscore
#1ACCEPTED10
#2ACCEPTED12
#3ACCEPTED14
#40
#50
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1, 2, 3, 4, 5details
#2ACCEPTED0.04 s1, 2, 3, 4, 5details
#3ACCEPTED0.04 s1, 2, 3, 4, 5details
#4ACCEPTED0.04 s1, 2, 3, 4, 5details
#5ACCEPTED0.05 s1, 2, 3, 4, 5details
#6ACCEPTED0.04 s1, 2, 3, 4, 5details
#7ACCEPTED0.05 s2, 3, 4, 5details
#8ACCEPTED0.04 s2, 3, 4, 5details
#9ACCEPTED0.06 s2, 3, 4, 5details
#10ACCEPTED0.07 s2, 3, 4, 5details
#11ACCEPTED0.05 s2, 3, 4, 5details
#12ACCEPTED0.10 s2, 3, 4, 5details
#13ACCEPTED0.07 s2, 3, 4, 5details
#14ACCEPTED0.07 s2, 3, 4, 5details
#15ACCEPTED0.09 s3, 4, 5details
#16ACCEPTED0.08 s3, 4, 5details
#17ACCEPTED0.12 s3, 4, 5details
#18ACCEPTED0.10 s3, 4, 5details
#19ACCEPTED0.15 s3, 4, 5details
#20ACCEPTED0.11 s3, 4, 5details
#21ACCEPTED0.09 s3, 4, 5details
#22ACCEPTED0.10 s3, 4, 5details
#23ACCEPTED0.13 s3, 4, 5details
#24ACCEPTED0.14 s3, 4, 5details
#25ACCEPTED0.07 s3, 4, 5details
#26ACCEPTED0.06 s3, 4, 5details
#27ACCEPTED0.11 s3, 4, 5details
#28ACCEPTED0.06 s3, 4, 5details
#29ACCEPTED0.06 s3, 4, 5details
#30ACCEPTED0.06 s3, 4, 5details
#31ACCEPTED0.06 s3, 4, 5details
#32ACCEPTED0.07 s3, 4, 5details
#33ACCEPTED0.07 s3, 4, 5details
#34ACCEPTED0.30 s4, 5details
#35ACCEPTED0.37 s4, 5details
#36ACCEPTED0.33 s4, 5details
#37ACCEPTED0.43 s4, 5details
#38ACCEPTED0.44 s4, 5details
#39ACCEPTED0.43 s4, 5details
#40ACCEPTED0.48 s4, 5details
#41ACCEPTED0.23 s4, 5details
#42ACCEPTED0.22 s4, 5details
#43--4, 5details
#44ACCEPTED0.40 s4, 5details
#45ACCEPTED0.41 s4, 5details
#46ACCEPTED0.56 s5details
#47ACCEPTED0.64 s5details
#48ACCEPTED0.72 s5details
#49ACCEPTED0.57 s5details
#50ACCEPTED0.85 s5details
#51ACCEPTED0.87 s5details
#52ACCEPTED0.80 s5details
#53ACCEPTED0.09 s5details
#54ACCEPTED0.08 s5details
#55--5details
#56ACCEPTED0.23 s5details
#57--5details
#58ACCEPTED0.25 s5details
#59ACCEPTED0.28 s5details
#60ACCEPTED0.32 s5details
#61ACCEPTED0.44 s5details
#62--5details
#63ACCEPTED0.45 s5details
#64ACCEPTED0.43 s5details
#65ACCEPTED0.41 s5details
#66ACCEPTED0.44 s5details
#67ACCEPTED0.47 s5details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:34:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int j = 0; j < sky[sk].size(); ++j) {
                    ~~^~~~~~~~~~~~~~~~
input/code.cpp:67:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j = 0; j < mod[jum[a]][rem].size(); ++j) {
                   ~~^~~~~~~~~~~~~~~~~~~~~~~~~
input/code.cpp:86:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int k = 0; k < sky[j].size(); ++k) {
                    ~~^~~~~~~~~~~~~~~

Code

#include <iostream>
#include <queue>
#include <set>

using namespace std;

typedef long long ll;

const int M = 3e4 + 5;
const int C = 1e3;
const ll INF = 1e13;

ll loc[M];
ll jum[M];
bool z[M];

vector<int> mod[C+1][C];
vector<int> sky[M];

ll val[M];

int main() {
	int n, m;
	cin >> n >> m;
	for(int i = 1; i <= m; ++i) {
		cin >> loc[i] >> jum[i];
		sky[loc[i]].push_back(i);
		val[i] = -1;
	}

	for(int mo = 1; mo <= C; ++mo) {
		for(int rem = 0; rem < mo; ++rem) {
			for(int sk = rem; sk < n; sk += mo) {
				for(int j = 0; j < sky[sk].size(); ++j) {
					mod[mo][rem].push_back(sky[sk][j]);
				}
			}
		}
	}

/*	priority_queue<pair<ll, int> > q;

	q.push({0, 1});
*/

	set<pair<ll, int> > q;
	q.insert({0, 1});

//	while(!q.empty()) {

	while(q.size() != 0) {
//		int a = q.top().second;
//		ll d = q.top().first; d = -d;
//		q.pop();
		auto it = q.begin();
		int a = (*it).second;
		ll d = (*it).first;
		q.erase(it);
		if(a == 2) {
			cout << d << "\n";
			return 0;
		}
		if(z[a]) continue;
		z[a] = true;
		if(jum[a] <= C) {
			int rem = loc[a]%jum[a];
			for(int j = 0; j < mod[jum[a]][rem].size(); ++j) {
				int k = mod[jum[a]][rem][j];
				if(z[k]) continue;
				ll comp = d + abs(loc[k] - loc[a])/jum[a];
				if(val[k] != -1) {
					if(val[k] > comp) {
						q.erase({val[k], k});
					} else {
						continue;
					}
				}

//				q.push({-(d + abs(loc[k] - loc[a])/jum[a]), k});
				q.insert({comp, k});
				val[k] = comp;
			}
		} else {
			int rem = loc[a]%jum[a];
			for(int j = rem; j < n; j += jum[a]) {
				for(int k = 0; k < sky[j].size(); ++k) {
					int doge = sky[j][k];
					if(z[doge]) continue;
					ll comp = d + abs(loc[doge] - loc[a])/jum[a];
					if(val[doge] != -1) {
						if(val[doge] > comp) {
							q.erase({val[doge], doge});
						} else {
							continue;
						}
					}
//					q.push({-(d + abs(loc[doge] - loc[a])/jum[a]), doge});
					q.insert({comp, doge});
					val[doge] = comp;
				}
			}
		}
	}
	cout << -1 << "\n";
}

Test details

Test 1

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
1 2
0 1
0 1

correct output
0

user output
0

Test 2

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
6 3
0 4
0 4
1 3

correct output
0

user output
0

Test 3

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
7 3
3 9
5 8
0 8

correct output
-1

user output
-1

Test 4

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
10 3
0 1
2 3
3 9

correct output
2

user output
2

Test 5

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
10 3
0 2
5 1
8 3

correct output
5

user output
5

Test 6

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
10 3
0 1
9 1
1 1

correct output
9

user output
9

Test 7

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
37 19
20 1
21 56
1 47
27 7
...

correct output
1

user output
1

Test 8

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
59 48
36 5
14 8
5 13
17 24
...

correct output
9

user output
9

Test 9

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
100 403
22 25
49 8
56 85
50 32
...

correct output
3

user output
3

Test 10

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
100 2000
42 40
54 31
95 26
14 71
...

correct output
1

user output
1

Test 11

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
100 2000
0 2
91 1
98 3
5 5
...

correct output
118

user output
118

Test 12

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
100 2000
0 1
99 1
98 1
98 1
...

correct output
99

user output
99

Test 13

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
100 2000
0 1
59 1
29 59
6 51
...

correct output
59

user output
59

Test 14

Group: 2, 3, 4, 5

Verdict: ACCEPTED

input
100 2000
0 1
99 1
6 22
8 18
...

correct output
2

user output
2

Test 15

Group: 3, 4, 5

Verdict: ACCEPTED

input
200 1704
152 114
197 195
179 101
44 40
...

correct output
2

user output
2

Test 16

Group: 3, 4, 5

Verdict: ACCEPTED

input
742 723
450 221
144 118
273 219
368 196
...

correct output
-1

user output
-1

Test 17

Group: 3, 4, 5

Verdict: ACCEPTED

input
1747 1189
405 1135
675 1863
1151 273
826 345
...

correct output
-1

user output
-1

Test 18

Group: 3, 4, 5

Verdict: ACCEPTED

input
2000 1046
854 1720
652 413
1598 1407
843 1784
...

correct output
32

user output
32

Test 19

Group: 3, 4, 5

Verdict: ACCEPTED

input
2000 2000
0 1
1999 1
1100 1
1402 1
...

correct output
1999

user output
1999

Test 20

Group: 3, 4, 5

Verdict: ACCEPTED

input
657 1595
255 533
391 1570
353 1230
400 100
...

correct output
32

user output
32

Test 21

Group: 3, 4, 5

Verdict: ACCEPTED

input
1596 640
607 511
1446 1150
27 471
918 1084
...

correct output
-1

user output
-1

Test 22

Group: 3, 4, 5

Verdict: ACCEPTED

input
1210 837
455 275
375 64
203 319
654 1970
...

correct output
-1

user output
-1

Test 23

Group: 3, 4, 5

Verdict: ACCEPTED

input
1928 1716
1608 1878
688 110
1243 786
1225 599
...

correct output
12

user output
12

Test 24

Group: 3, 4, 5

Verdict: ACCEPTED

input
2000 2000
1998 2
1 1
0 3
1999 1
...

correct output
498

user output
498

Test 25

Group: 3, 4, 5

Verdict: ACCEPTED

input
2000 2000
0 2
1999 1
1998 3
3 5
...

correct output
2892

user output
2892

Test 26

Group: 3, 4, 5

Verdict: ACCEPTED

input
2000 2000
0 2
1607 1
1998 3
3 5
...

correct output
3340

user output
3340

Test 27

Group: 3, 4, 5

Verdict: ACCEPTED

input
2000 2000
461 538
0 1
964 1999
1097 1999
...

correct output
17769

user output
17769

Test 28

Group: 3, 4, 5

Verdict: ACCEPTED

input
2000 746
0 1
1698 1
30 31
16 35
...

correct output
1698

user output
1698

Test 29

Group: 3, 4, 5

Verdict: ACCEPTED

input
2000 182
0 1
1039 1
20 25
3 24
...

correct output
1039

user output
1039

Test 30

Group: 3, 4, 5

Verdict: ACCEPTED

input
2000 586
0 1
1099 1
18 32
26 44
...

correct output
1099

user output
1099

Test 31

Group: 3, 4, 5

Verdict: ACCEPTED

input
2000 486
0 1
1818 1
13 44
7 43
...

correct output
1818

user output
1818

Test 32

Group: 3, 4, 5

Verdict: ACCEPTED

input
2000 2000
0 1
1679 1
4 45
16 38
...

correct output
1679

user output
1679

Test 33

Group: 3, 4, 5

Verdict: ACCEPTED

input
2000 2000
0 1
1999 1
26 58
32 54
...

correct output
32

user output
32

Test 34

Group: 4, 5

Verdict: ACCEPTED

input
1072 18342
859 530
340 1662
444 840
138 1101
...

correct output
3

user output
3

Test 35

Group: 4, 5

Verdict: ACCEPTED

input
1998 21857
1560 1143
456 1062
1406 1134
493 1223
...

correct output
4

user output
4

Test 36

Group: 4, 5

Verdict: ACCEPTED

input
1938 19374
506 706
489 740
1275 106
428 209
...

correct output
2

user output
2

Test 37

Group: 4, 5

Verdict: ACCEPTED

input
1997 29997
1764 629
1100 167
1684 957
1490 105
...

correct output
3

user output
3

Test 38

Group: 4, 5

Verdict: ACCEPTED

input
2000 30000
18 1452
1182 1737
1105 842
872 232
...

correct output
3

user output
3

Test 39

Group: 4, 5

Verdict: ACCEPTED

input
2000 30000
1998 2
1 1
0 3
1999 1
...

correct output
3

user output
3

Test 40

Group: 4, 5

Verdict: ACCEPTED

input
1999 30000
1997 2
1 1
0 3
1998 1
...

correct output
4

user output
4

Test 41

Group: 4, 5

Verdict: ACCEPTED

input
2000 30000
0 2
1999 1
1998 3
3 5
...

correct output
2892

user output
2892

Test 42

Group: 4, 5

Verdict: ACCEPTED

input
2000 30000
0 2
1607 1
1998 3
3 5
...

correct output
3340

user output
3340

Test 43

Group: 4, 5

Verdict:

input
2000 30000
0 1
1999 1
1998 1
1998 1
...

correct output
1999

user output
(empty)

Test 44

Group: 4, 5

Verdict: ACCEPTED

input
2000 30000
0 1
1679 1
11 111
30 73
...

correct output
1679

user output
1679

Test 45

Group: 4, 5

Verdict: ACCEPTED

input
2000 30000
0 1
1999 1
136 241
60 205
...

correct output
9

user output
9

Test 46

Group: 5

Verdict: ACCEPTED

input
12345 24321
10073 2306
9631 1444
4511 2266
2440 1738
...

correct output
6

user output
6

Test 47

Group: 5

Verdict: ACCEPTED

input
23221 22370
19215 23255
2243 2534
12921 13851
13997 18633
...

correct output
-1

user output
-1

Test 48

Group: 5

Verdict: ACCEPTED

input
21193 29373
12730 16949
2962 10542
3218 29083
1118 24647
...

correct output
25

user output
25

Test 49

Group: 5

Verdict: ACCEPTED

input
15297 22617
2947 25356
8121 8001
2834 21377
1882 8668
...

correct output
31

user output
31

Test 50

Group: 5

Verdict: ACCEPTED

input
30000 30000
20832 10056
23055 12297
9466 24054
427 8139
...

correct output
35

user output
35

Test 51

Group: 5

Verdict: ACCEPTED

input
30000 30000
29998 2
1 1
0 3
29999 1
...

correct output
28

user output
28

Test 52

Group: 5

Verdict: ACCEPTED

input
30000 30000
29998 2
1 1
0 3
29999 1
...

correct output
23851

user output
23851

Test 53

Group: 5

Verdict: ACCEPTED

input
29999 2
110 2
17 2

correct output
-1

user output
-1

Test 54

Group: 5

Verdict: ACCEPTED

input
30000 4
29998 2
1 1
0 3
29999 1

correct output
-1

user output
-1

Test 55

Group: 5

Verdict:

input
30000 30000
0 1
29999 1
25731 1
29123 1
...

correct output
29999

user output
(empty)

Test 56

Group: 5

Verdict: ACCEPTED

input
30000 2471
1 2
0 29997
20232 31
26226 31
...

correct output
53

user output
53

Test 57

Group: 5

Verdict:

input
30000 30000
0 2
29999 1
29998 3
1 9
...

correct output
54996

user output
(empty)

Test 58

Group: 5

Verdict: ACCEPTED

input
30000 30000
0 2
29999 1
29998 3
1 5
...

correct output
56832

user output
56832

Test 59

Group: 5

Verdict: ACCEPTED

input
30000 30000
0 2
29999 1
29998 3
1 5
...

correct output
56832

user output
56832

Test 60

Group: 5

Verdict: ACCEPTED

input
30000 30000
0 2
24989 1
29998 3
1 5
...

correct output
45814

user output
45814

Test 61

Group: 5

Verdict: ACCEPTED

input
30000 30000
6605 8395
0 1
20018 29999
15431 29999
...

correct output
417046

user output
417046

Test 62

Group: 5

Verdict:

input
30000 30000
0 1
29999 1
29997 2
3 1
...

correct output
29998

user output
(empty)

Test 63

Group: 5

Verdict: ACCEPTED

input
30000 30000
0 1
28252 1
111 592
397 568
...

correct output
28252

user output
28252

Test 64

Group: 5

Verdict: ACCEPTED

input
30000 30000
0 1
19226 1
50 299
205 353
...

correct output
19226

user output
19226

Test 65

Group: 5

Verdict: ACCEPTED

input
30000 30000
0 1
16189 1
47 336
236 331
...

correct output
16189

user output
16189

Test 66

Group: 5

Verdict: ACCEPTED

input
30000 30000
0 1
27719 1
100 204
43 85
...

correct output
27719

user output
27719

Test 67

Group: 5

Verdict: ACCEPTED

input
30000 30000
0 1
29999 1
126 187
57 231
...

correct output
123

user output
123