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Submission #1059852

# Submission time Handle Problem Language Result Execution time Memory
1059852 2024-08-15T08:41:58 Z dpsaveslives Strange Device (APIO19_strange_device) C++17
100 / 100
 1174 ms 101956 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>> ranges;
  	for(int i = 0;i<N;++i){
        int l,r; cin >> l >> r;
        if(r-l+1 >= C){
            cout << C << "\n";
            return 0;
        }
        if(l/C == r/C){
            ranges.push_back({l%C,1});
            ranges.push_back({r%C + 1,-1});
        }
        else{
            ranges.push_back({l%C,1});
            ranges.push_back({0,1});
            ranges.push_back({r%C+1,-1});
        }
  	}
	ranges.push_back({C, 0});
	sort(ranges.begin(),ranges.end());
	int cnt = 0, ans = 0;
	for(int i = 0;i<ranges.size()-1;++i){
        cnt += ranges[i].second;
        if(cnt > 0){
            ans += ranges[i+1].first-ranges[i].first;
        }
	}
	cout << ans << "\n";
	return 0;
}

Compilation message

strange_device.cpp: In function 'int32_t main()':
strange_device.cpp:33:17: 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]
   33 |  for(int i = 0;i<ranges.size()-1;++i){
      |                ~^~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 10 ms 1512 KB Output is correct
3 Correct 10 ms 1492 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 10 ms 1492 KB Output is correct
17 Correct 111 ms 9112 KB Output is correct
18 Correct 1 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 1 ms 424 KB Output is correct
5 Correct 689 ms 68032 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 985 ms 67740 KB Output is correct
3 Correct 1046 ms 66552 KB Output is correct
4 Correct 938 ms 66364 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 985 ms 67740 KB Output is correct
3 Correct 1046 ms 66552 KB Output is correct
4 Correct 938 ms 66364 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1020 ms 66104 KB Output is correct
7 Correct 979 ms 66976 KB Output is correct
8 Correct 1031 ms 66768 KB Output is correct
9 Correct 1124 ms 66488 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 985 ms 67740 KB Output is correct
3 Correct 1046 ms 66552 KB Output is correct
4 Correct 938 ms 66364 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 95 ms 9360 KB Output is correct
7 Correct 100 ms 9552 KB Output is correct
8 Correct 93 ms 10680 KB Output is correct
9 Correct 111 ms 9916 KB Output is correct
10 Correct 92 ms 9656 KB Output is correct
11 Correct 101 ms 8632 KB Output is correct
12 Correct 98 ms 8760 KB Output is correct
13 Correct 103 ms 10680 KB Output is correct
14 Correct 92 ms 10684 KB Output is correct
15 Correct 102 ms 10420 KB Output is correct
16 Correct 99 ms 9144 KB Output is correct
17 Correct 97 ms 9828 KB Output is correct
18 Correct 947 ms 66972 KB Output is correct
19 Correct 958 ms 66212 KB Output is correct
20 Correct 1096 ms 66464 KB Output is correct
21 Correct 102 ms 9396 KB Output is correct
22 Correct 99 ms 10436 KB Output is correct
23 Correct 292 ms 33544 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 107 ms 10668 KB Output is correct
3 Correct 108 ms 9848 KB Output is correct
4 Correct 1109 ms 66976 KB Output is correct
5 Correct 103 ms 10688 KB Output is correct
6 Correct 101 ms 9160 KB Output is correct
7 Correct 102 ms 9140 KB Output is correct
8 Correct 102 ms 8904 KB Output is correct
9 Correct 98 ms 10428 KB Output is correct
10 Correct 105 ms 10172 KB Output is correct
11 Correct 101 ms 9996 KB Output is correct
12 Correct 101 ms 9628 KB Output is correct
13 Correct 103 ms 8904 KB Output is correct
14 Correct 1174 ms 66416 KB Output is correct
15 Correct 104 ms 10164 KB Output is correct
16 Correct 1000 ms 67060 KB Output is correct
17 Correct 944 ms 68000 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 10 ms 1512 KB Output is correct
3 Correct 10 ms 1492 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 10 ms 1492 KB Output is correct
17 Correct 111 ms 9112 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 2 ms 348 KB Output is correct
27 Correct 1 ms 424 KB Output is correct
28 Correct 689 ms 68032 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 985 ms 67740 KB Output is correct
31 Correct 1046 ms 66552 KB Output is correct
32 Correct 938 ms 66364 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 1020 ms 66104 KB Output is correct
35 Correct 979 ms 66976 KB Output is correct
36 Correct 1031 ms 66768 KB Output is correct
37 Correct 1124 ms 66488 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 95 ms 9360 KB Output is correct
40 Correct 100 ms 9552 KB Output is correct
41 Correct 93 ms 10680 KB Output is correct
42 Correct 111 ms 9916 KB Output is correct
43 Correct 92 ms 9656 KB Output is correct
44 Correct 101 ms 8632 KB Output is correct
45 Correct 98 ms 8760 KB Output is correct
46 Correct 103 ms 10680 KB Output is correct
47 Correct 92 ms 10684 KB Output is correct
48 Correct 102 ms 10420 KB Output is correct
49 Correct 99 ms 9144 KB Output is correct
50 Correct 97 ms 9828 KB Output is correct
51 Correct 947 ms 66972 KB Output is correct
52 Correct 958 ms 66212 KB Output is correct
53 Correct 1096 ms 66464 KB Output is correct
54 Correct 102 ms 9396 KB Output is correct
55 Correct 99 ms 10436 KB Output is correct
56 Correct 292 ms 33544 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 107 ms 10668 KB Output is correct
59 Correct 108 ms 9848 KB Output is correct
60 Correct 1109 ms 66976 KB Output is correct
61 Correct 103 ms 10688 KB Output is correct
62 Correct 101 ms 9160 KB Output is correct
63 Correct 102 ms 9140 KB Output is correct
64 Correct 102 ms 8904 KB Output is correct
65 Correct 98 ms 10428 KB Output is correct
66 Correct 105 ms 10172 KB Output is correct
67 Correct 101 ms 9996 KB Output is correct
68 Correct 101 ms 9628 KB Output is correct
69 Correct 103 ms 8904 KB Output is correct
70 Correct 1174 ms 66416 KB Output is correct
71 Correct 104 ms 10164 KB Output is correct
72 Correct 1000 ms 67060 KB Output is correct
73 Correct 944 ms 68000 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 0 ms 344 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 0 ms 344 KB Output is correct
79 Correct 10 ms 1748 KB Output is correct
80 Correct 1136 ms 101520 KB Output is correct
81 Correct 1109 ms 101956 KB Output is correct
82 Correct 1024 ms 101184 KB Output is correct
83 Correct 1030 ms 101272 KB Output is correct
84 Correct 1029 ms 101312 KB Output is correct
85 Correct 1045 ms 100448 KB Output is correct
86 Correct 303 ms 43432 KB Output is correct
87 Correct 0 ms 348 KB Output is correct