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답안 #206604

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
206604 2020-03-04T07:53:04 Z kshitij_sodani 이상한 기계 (APIO19_strange_device) C++17
50 / 100
 665 ms 56604 KB 
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
typedef int64_t llo;
#define ak first
#define  bk second
#define endl "\n"
llo gcd(llo kk,llo ll){
	if(ll==0){
		return kk;
	}
	return gcd(ll,kk%ll);
}
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	llo n,a,b;
	cin>>n>>a>>b;
	llo x;
	vector<pair<llo,llo>> it;
	x=b;
	llo y=a/gcd(a,b+1);
	/*if(y>1000000000000000000LL/b){

	}*/
	
/*	if((b+1)%a==0){
		x=b;
	}
	else{
		x=a*b;
	}*/


	llo aa,bb;
	llo ss=0;
	vector<pair<llo,llo>> ac;
	for(llo i=0;i<n;i++){
		cin>>aa>>bb;
		ss+=bb-aa+1;
		it.pb(mp(aa,bb));
	}
	if(x>1000000000000000000LL/b){
		cout<<ss<<endl;
		return 0;
	}
	x*=(a/gcd(a,b+1));
	for(llo i=0;i<n;i++){
		aa=it[i].ak;
		bb=it[i].bk;
		if(bb-aa+1>=x){
			cout<<x<<endl;
			return 0;
		}
		/*if(bb-aa+1>=x){
			ac.pb(mp(0,x-1));
		}*/
		aa%=x;
		bb%=x;
		if(bb<aa){
			ac.pb(mp(aa,x-1));
			ac.pb(mp(0,bb));
		}
		else{
			ac.pb(mp(aa,bb));
		}

	}

/*	if(s==1){
		cout<<x<<endl;
	}
	else{*/
		vector<pair<llo,llo>> prev;
		sort(ac.begin(),ac.end());

		for(auto cc:ac){
			if(prev.size()==0){
				prev.pb(cc);
			}
			else{
				if(cc.ak>prev[prev.size()-1].bk){
					prev.pb(cc);
				}
				else{
					prev[prev.size()-1].bk=max(prev[prev.size()-1].bk,cc.bk);
				}
			}
		}
		llo tot=0;
		for(llo i=0;i<prev.size();i++){
			tot+=prev[i].bk-prev[i].ak+1;
		}
	/*	if(s==1 and tot<x){
			while(true){
				int y=1;
			}
		}
*/
		cout<<tot<<endl;
	//}













	return 0;
}

Compilation message

strange_device.cpp: In function 'int main()':
strange_device.cpp:93:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(llo i=0;i<prev.size();i++){
               ~^~~~~~~~~~~~
strange_device.cpp:24:6: warning: unused variable 'y' [-Wunused-variable]
  llo y=a/gcd(a,b+1);
      ^

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 11 ms 1012 KB Output is correct
3 Correct 11 ms 1012 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 248 KB Output is correct
6 Correct 5 ms 248 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 4 ms 248 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 4 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 14 ms 1012 KB Output is correct
17 Correct 78 ms 6496 KB Output is correct
18 Correct 5 ms 376 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 248 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct

Subtask #3
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 372 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 439 ms 40616 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 587 ms 56316 KB Output is correct
3 Correct 583 ms 56368 KB Output is correct
4 Correct 628 ms 56224 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 587 ms 56316 KB Output is correct
3 Correct 583 ms 56368 KB Output is correct
4 Correct 628 ms 56224 KB Output is correct
5 Correct 5 ms 380 KB Output is correct
6 Correct 576 ms 56352 KB Output is correct
7 Correct 598 ms 56352 KB Output is correct
8 Correct 588 ms 56356 KB Output is correct
9 Correct 658 ms 56604 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 587 ms 56316 KB Output is correct
3 Correct 583 ms 56368 KB Output is correct
4 Correct 628 ms 56224 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 62 ms 6500 KB Output is correct
7 Correct 65 ms 6500 KB Output is correct
8 Correct 61 ms 6636 KB Output is correct
9 Correct 63 ms 6500 KB Output is correct
10 Correct 62 ms 6708 KB Output is correct
11 Correct 63 ms 6500 KB Output is correct
12 Correct 60 ms 6504 KB Output is correct
13 Correct 66 ms 6496 KB Output is correct
14 Correct 61 ms 6500 KB Output is correct
15 Correct 71 ms 6504 KB Output is correct
16 Correct 64 ms 6496 KB Output is correct
17 Correct 62 ms 6504 KB Output is correct
18 Correct 589 ms 56372 KB Output is correct
19 Correct 577 ms 56404 KB Output is correct
20 Correct 637 ms 56356 KB Output is correct
21 Correct 66 ms 6628 KB Output is correct
22 Correct 58 ms 6508 KB Output is correct
23 Correct 189 ms 18044 KB Output is correct

Subtask #7
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 66 ms 6628 KB Output is correct
3 Correct 69 ms 6500 KB Output is correct
4 Correct 665 ms 56436 KB Output is correct
5 Correct 50 ms 2544 KB Output is correct
6 Correct 51 ms 2540 KB Output is correct
7 Correct 51 ms 2544 KB Output is correct
8 Correct 69 ms 6500 KB Output is correct
9 Correct 62 ms 6500 KB Output is correct
10 Correct 65 ms 6500 KB Output is correct
11 Correct 64 ms 6500 KB Output is correct
12 Incorrect 51 ms 2504 KB Output isn't correct
13 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 11 ms 1012 KB Output is correct
3 Correct 11 ms 1012 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 248 KB Output is correct
6 Correct 5 ms 248 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 4 ms 248 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 4 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 14 ms 1012 KB Output is correct
17 Correct 78 ms 6496 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 248 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 372 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 439 ms 40616 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 587 ms 56316 KB Output is correct
31 Correct 583 ms 56368 KB Output is correct
32 Correct 628 ms 56224 KB Output is correct
33 Correct 5 ms 380 KB Output is correct
34 Correct 576 ms 56352 KB Output is correct
35 Correct 598 ms 56352 KB Output is correct
36 Correct 588 ms 56356 KB Output is correct
37 Correct 658 ms 56604 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 62 ms 6500 KB Output is correct
40 Correct 65 ms 6500 KB Output is correct
41 Correct 61 ms 6636 KB Output is correct
42 Correct 63 ms 6500 KB Output is correct
43 Correct 62 ms 6708 KB Output is correct
44 Correct 63 ms 6500 KB Output is correct
45 Correct 60 ms 6504 KB Output is correct
46 Correct 66 ms 6496 KB Output is correct
47 Correct 61 ms 6500 KB Output is correct
48 Correct 71 ms 6504 KB Output is correct
49 Correct 64 ms 6496 KB Output is correct
50 Correct 62 ms 6504 KB Output is correct
51 Correct 589 ms 56372 KB Output is correct
52 Correct 577 ms 56404 KB Output is correct
53 Correct 637 ms 56356 KB Output is correct
54 Correct 66 ms 6628 KB Output is correct
55 Correct 58 ms 6508 KB Output is correct
56 Correct 189 ms 18044 KB Output is correct
57 Correct 5 ms 376 KB Output is correct
58 Correct 66 ms 6628 KB Output is correct
59 Correct 69 ms 6500 KB Output is correct
60 Correct 665 ms 56436 KB Output is correct
61 Correct 50 ms 2544 KB Output is correct
62 Correct 51 ms 2540 KB Output is correct
63 Correct 51 ms 2544 KB Output is correct
64 Correct 69 ms 6500 KB Output is correct
65 Correct 62 ms 6500 KB Output is correct
66 Correct 65 ms 6500 KB Output is correct
67 Correct 64 ms 6500 KB Output is correct
68 Incorrect 51 ms 2504 KB Output isn't correct
69 Halted 0 ms 0 KB -