oj.uz

Submission #568309

# Submission time Handle Problem Language Result Execution time Memory
568309 2022-05-25T08:12:59 Z Baytoro Strange Device (APIO19_strange_device) C++17
100 / 100
 759 ms 100112 KB 
#include <bits/stdc++.h>
using namespace std;
#define Baytoro_Mayrambekov void solve()
#define ios ios::sync_with_stdio(false); cin.tie(NULL);
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define fr first
#define sc second
#define int long long
#define endl '\n'
const int INF=1e18;
void fopn(string name){
	freopen((name+".in").c_str(),"r",stdin);
	freopen((name+".out").c_str(),"w",stdout);
}
int binpow(int a,int n){
	if(n==0)
		return 1;
	if(n%2==1)
		return binpow(a, n-1)*a;
	else{
		int b=binpow(a, n/2);
		return b*b;
	}
}
int a,b,c,n,m,i,j,k,x,y,cnt=0,sum=0,res=0;
Baytoro_Mayrambekov{
	cin>>n>>a>>b;
	int mx=a/(__gcd(a,b+1));
	if(mx>INF/b)
		mx=INF;
	else
		mx*=b;
	bool check=1;
	set<pair<int,int>> st;
	for(i=0;i<n;i++){
		int l,r;
		cin>>l>>r;
		if(r-l+1>=mx && check){
			cout<<mx<<endl;
			check=0;
		}
		if(!check)
			continue;
		l%=mx;
		r%=mx;
		if(l<=r){
			st.insert({l,r});
		}
		else{
			st.insert({l,mx-1});
			st.insert({0,r});
		}
	}
	if(!check){
		return;
	}
	res=0;
	int x=-1;
	for(auto it: st){
		if(x<it.fr)
			res+=it.sc-it.fr+1;
		else if(x<it.sc)
			res+=it.sc-x;
		x=max(x,it.sc);
	}
	cout<<res<<endl;
}
main(){
	ios;
	int T=1;
	//cin>>T;
	while(T--){
		solve();
	}
}

Compilation message

strange_device.cpp:70:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   70 | main(){
      | ^~~~
strange_device.cpp: In function 'void fopn(std::string)':
strange_device.cpp:14:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |  freopen((name+".in").c_str(),"r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
strange_device.cpp:15:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |  freopen((name+".out").c_str(),"w",stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 6 ms 852 KB Output is correct
3 Correct 6 ms 860 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 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 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 6 ms 840 KB Output is correct
17 Correct 55 ms 6468 KB Output is correct
18 Correct 1 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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 257 ms 308 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 591 ms 62900 KB Output is correct
3 Correct 611 ms 62824 KB Output is correct
4 Correct 680 ms 99648 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 591 ms 62900 KB Output is correct
3 Correct 611 ms 62824 KB Output is correct
4 Correct 680 ms 99648 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 677 ms 99996 KB Output is correct
7 Correct 647 ms 99996 KB Output is correct
8 Correct 616 ms 100036 KB Output is correct
9 Correct 732 ms 99304 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 591 ms 62900 KB Output is correct
3 Correct 611 ms 62824 KB Output is correct
4 Correct 680 ms 99648 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 64 ms 10172 KB Output is correct
7 Correct 56 ms 10188 KB Output is correct
8 Correct 62 ms 10236 KB Output is correct
9 Correct 58 ms 10188 KB Output is correct
10 Correct 72 ms 10196 KB Output is correct
11 Correct 67 ms 10196 KB Output is correct
12 Correct 54 ms 10188 KB Output is correct
13 Correct 60 ms 10236 KB Output is correct
14 Correct 59 ms 10332 KB Output is correct
15 Correct 84 ms 10192 KB Output is correct
16 Correct 73 ms 10156 KB Output is correct
17 Correct 58 ms 10272 KB Output is correct
18 Correct 651 ms 100048 KB Output is correct
19 Correct 662 ms 99932 KB Output is correct
20 Correct 685 ms 99940 KB Output is correct
21 Correct 62 ms 10216 KB Output is correct
22 Correct 76 ms 10264 KB Output is correct
23 Correct 134 ms 12824 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 62 ms 6576 KB Output is correct
3 Correct 64 ms 6756 KB Output is correct
4 Correct 629 ms 63264 KB Output is correct
5 Correct 61 ms 6604 KB Output is correct
6 Correct 68 ms 6572 KB Output is correct
7 Correct 61 ms 6620 KB Output is correct
8 Correct 57 ms 6604 KB Output is correct
9 Correct 75 ms 6640 KB Output is correct
10 Correct 61 ms 6668 KB Output is correct
11 Correct 60 ms 6676 KB Output is correct
12 Correct 73 ms 6644 KB Output is correct
13 Correct 58 ms 6684 KB Output is correct
14 Correct 693 ms 63056 KB Output is correct
15 Correct 62 ms 6576 KB Output is correct
16 Correct 619 ms 63212 KB Output is correct
17 Correct 626 ms 63304 KB Output is correct
18 Correct 1 ms 320 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 6 ms 852 KB Output is correct
3 Correct 6 ms 860 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 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 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 6 ms 840 KB Output is correct
17 Correct 55 ms 6468 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 257 ms 308 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 591 ms 62900 KB Output is correct
31 Correct 611 ms 62824 KB Output is correct
32 Correct 680 ms 99648 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 677 ms 99996 KB Output is correct
35 Correct 647 ms 99996 KB Output is correct
36 Correct 616 ms 100036 KB Output is correct
37 Correct 732 ms 99304 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 64 ms 10172 KB Output is correct
40 Correct 56 ms 10188 KB Output is correct
41 Correct 62 ms 10236 KB Output is correct
42 Correct 58 ms 10188 KB Output is correct
43 Correct 72 ms 10196 KB Output is correct
44 Correct 67 ms 10196 KB Output is correct
45 Correct 54 ms 10188 KB Output is correct
46 Correct 60 ms 10236 KB Output is correct
47 Correct 59 ms 10332 KB Output is correct
48 Correct 84 ms 10192 KB Output is correct
49 Correct 73 ms 10156 KB Output is correct
50 Correct 58 ms 10272 KB Output is correct
51 Correct 651 ms 100048 KB Output is correct
52 Correct 662 ms 99932 KB Output is correct
53 Correct 685 ms 99940 KB Output is correct
54 Correct 62 ms 10216 KB Output is correct
55 Correct 76 ms 10264 KB Output is correct
56 Correct 134 ms 12824 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 62 ms 6576 KB Output is correct
59 Correct 64 ms 6756 KB Output is correct
60 Correct 629 ms 63264 KB Output is correct
61 Correct 61 ms 6604 KB Output is correct
62 Correct 68 ms 6572 KB Output is correct
63 Correct 61 ms 6620 KB Output is correct
64 Correct 57 ms 6604 KB Output is correct
65 Correct 75 ms 6640 KB Output is correct
66 Correct 61 ms 6668 KB Output is correct
67 Correct 60 ms 6676 KB Output is correct
68 Correct 73 ms 6644 KB Output is correct
69 Correct 58 ms 6684 KB Output is correct
70 Correct 693 ms 63056 KB Output is correct
71 Correct 62 ms 6576 KB Output is correct
72 Correct 619 ms 63212 KB Output is correct
73 Correct 626 ms 63304 KB Output is correct
74 Correct 1 ms 320 KB Output is correct
75 Correct 1 ms 212 KB Output is correct
76 Correct 1 ms 212 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 1 ms 212 KB Output is correct
79 Correct 6 ms 1236 KB Output is correct
80 Correct 698 ms 100056 KB Output is correct
81 Correct 669 ms 99956 KB Output is correct
82 Correct 718 ms 99968 KB Output is correct
83 Correct 685 ms 99988 KB Output is correct
84 Correct 741 ms 99980 KB Output is correct
85 Correct 759 ms 100112 KB Output is correct
86 Correct 122 ms 12832 KB Output is correct
87 Correct 1 ms 212 KB Output is correct