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Submission #673820

# Submission time Handle Problem Language Result Execution time Memory
673820 2022-12-22T05:51:43 Z QwertyPi Strange Device (APIO19_strange_device) C++14
100 / 100
 1671 ms 100376 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;

ostream& operator<<(ostream& out, __int128_t x){
	string s; while(x) s.push_back(x % 10 + '0'), x /= 10;
	reverse(s.begin(), s.end()); return out << s;
}

int32_t main(){
	int n, a, b; cin >> n >> a >> b;
  	__int128_t c = (__int128_t) b * (a / __gcd(a, b + 1));
  	vector<pair<__int128_t, __int128_t>> d;
  	for(int i = 0; i < n; i++){
      	int l, r; cin >> l >> r;
      	if(r - l + 1 >= c){
        	cout << c << endl;
          	return 0;
        }
      	if(l / c == r / c){
			d.push_back({l % c, 1});
			d.push_back({r % c + 1, -1});
        }else{
			d.push_back({l % c, 1});
			d.push_back({0, 1});
			d.push_back({r % c + 1, -1});
		}
    }
	d.push_back({c, 0});
	sort(d.begin(), d.end());
	int cnt = 0, ans = 0;
	for(int i = 0; i < d.size() - 1; i++){
		cnt += d[i].second;
		if(cnt > 0){
			ans += d[i + 1].first - d[i].first;
		}
	}
	cout << ans << endl;
}

Compilation message

strange_device.cpp: In function 'int32_t main()':
strange_device.cpp:32:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<__int128, __int128> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |  for(int i = 0; i < d.size() - 1; i++){
      |                 ~~^~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 14 ms 1836 KB Output is correct
3 Correct 17 ms 1740 KB Output is correct
4 Correct 0 ms 300 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 296 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 300 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 14 ms 1988 KB Output is correct
17 Correct 150 ms 11232 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 1016 ms 88300 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1447 ms 100136 KB Output is correct
3 Correct 1481 ms 100312 KB Output is correct
4 Correct 1408 ms 100368 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1447 ms 100136 KB Output is correct
3 Correct 1481 ms 100312 KB Output is correct
4 Correct 1408 ms 100368 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1410 ms 100376 KB Output is correct
7 Correct 1395 ms 100240 KB Output is correct
8 Correct 1456 ms 100260 KB Output is correct
9 Correct 1588 ms 100132 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1447 ms 100136 KB Output is correct
3 Correct 1481 ms 100312 KB Output is correct
4 Correct 1408 ms 100368 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 143 ms 11284 KB Output is correct
7 Correct 144 ms 11240 KB Output is correct
8 Correct 145 ms 11260 KB Output is correct
9 Correct 150 ms 11312 KB Output is correct
10 Correct 138 ms 11312 KB Output is correct
11 Correct 152 ms 11212 KB Output is correct
12 Correct 140 ms 11268 KB Output is correct
13 Correct 151 ms 11184 KB Output is correct
14 Correct 143 ms 11308 KB Output is correct
15 Correct 154 ms 11276 KB Output is correct
16 Correct 148 ms 11312 KB Output is correct
17 Correct 139 ms 11196 KB Output is correct
18 Correct 1460 ms 100200 KB Output is correct
19 Correct 1446 ms 100164 KB Output is correct
20 Correct 1605 ms 100120 KB Output is correct
21 Correct 172 ms 11228 KB Output is correct
22 Correct 143 ms 11184 KB Output is correct
23 Correct 459 ms 42980 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 428 KB Output is correct
2 Correct 153 ms 11200 KB Output is correct
3 Correct 149 ms 11252 KB Output is correct
4 Correct 1632 ms 100028 KB Output is correct
5 Correct 152 ms 11204 KB Output is correct
6 Correct 150 ms 11264 KB Output is correct
7 Correct 147 ms 11308 KB Output is correct
8 Correct 154 ms 11184 KB Output is correct
9 Correct 151 ms 11204 KB Output is correct
10 Correct 152 ms 11180 KB Output is correct
11 Correct 146 ms 11184 KB Output is correct
12 Correct 140 ms 11352 KB Output is correct
13 Correct 156 ms 11236 KB Output is correct
14 Correct 1593 ms 100196 KB Output is correct
15 Correct 153 ms 11184 KB Output is correct
16 Correct 1412 ms 100248 KB Output is correct
17 Correct 1405 ms 100168 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 14 ms 1836 KB Output is correct
3 Correct 17 ms 1740 KB Output is correct
4 Correct 0 ms 300 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 296 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 300 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 14 ms 1988 KB Output is correct
17 Correct 150 ms 11232 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 468 KB Output is correct
27 Correct 2 ms 340 KB Output is correct
28 Correct 1016 ms 88300 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1447 ms 100136 KB Output is correct
31 Correct 1481 ms 100312 KB Output is correct
32 Correct 1408 ms 100368 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1410 ms 100376 KB Output is correct
35 Correct 1395 ms 100240 KB Output is correct
36 Correct 1456 ms 100260 KB Output is correct
37 Correct 1588 ms 100132 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 143 ms 11284 KB Output is correct
40 Correct 144 ms 11240 KB Output is correct
41 Correct 145 ms 11260 KB Output is correct
42 Correct 150 ms 11312 KB Output is correct
43 Correct 138 ms 11312 KB Output is correct
44 Correct 152 ms 11212 KB Output is correct
45 Correct 140 ms 11268 KB Output is correct
46 Correct 151 ms 11184 KB Output is correct
47 Correct 143 ms 11308 KB Output is correct
48 Correct 154 ms 11276 KB Output is correct
49 Correct 148 ms 11312 KB Output is correct
50 Correct 139 ms 11196 KB Output is correct
51 Correct 1460 ms 100200 KB Output is correct
52 Correct 1446 ms 100164 KB Output is correct
53 Correct 1605 ms 100120 KB Output is correct
54 Correct 172 ms 11228 KB Output is correct
55 Correct 143 ms 11184 KB Output is correct
56 Correct 459 ms 42980 KB Output is correct
57 Correct 1 ms 428 KB Output is correct
58 Correct 153 ms 11200 KB Output is correct
59 Correct 149 ms 11252 KB Output is correct
60 Correct 1632 ms 100028 KB Output is correct
61 Correct 152 ms 11204 KB Output is correct
62 Correct 150 ms 11264 KB Output is correct
63 Correct 147 ms 11308 KB Output is correct
64 Correct 154 ms 11184 KB Output is correct
65 Correct 151 ms 11204 KB Output is correct
66 Correct 152 ms 11180 KB Output is correct
67 Correct 146 ms 11184 KB Output is correct
68 Correct 140 ms 11352 KB Output is correct
69 Correct 156 ms 11236 KB Output is correct
70 Correct 1593 ms 100196 KB Output is correct
71 Correct 153 ms 11184 KB Output is correct
72 Correct 1412 ms 100248 KB Output is correct
73 Correct 1405 ms 100168 KB Output is correct
74 Correct 1 ms 212 KB Output is correct
75 Correct 0 ms 300 KB Output is correct
76 Correct 0 ms 300 KB Output is correct
77 Correct 0 ms 212 KB Output is correct
78 Correct 1 ms 212 KB Output is correct
79 Correct 14 ms 1756 KB Output is correct
80 Correct 1611 ms 100032 KB Output is correct
81 Correct 1652 ms 99748 KB Output is correct
82 Correct 1671 ms 99716 KB Output is correct
83 Correct 1598 ms 99804 KB Output is correct
84 Correct 1585 ms 99352 KB Output is correct
85 Correct 1621 ms 99276 KB Output is correct
86 Correct 459 ms 43104 KB Output is correct
87 Correct 0 ms 212 KB Output is correct