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답안 #206597

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
206597 2020-03-04T07:39:31 Z kshitij_sodani 이상한 기계 (APIO19_strange_device) C++17
65 / 100
 658 ms 40852 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;
	pair<llo,llo> it;
	x=b;
	x*=(a/gcd(a,b+1));
/*	if((b+1)%a==0){
		x=b;
	}
	else{
		x=a*b;
	}*/


	llo aa,bb;
	llo s=0;
	vector<pair<llo,llo>> ac;
	for(llo i=0;i<n;i++){
		cin>>aa>>bb;
		/*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:77:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(llo i=0;i<prev.size();i++){
               ~^~~~~~~~~~~~
strange_device.cpp:34:6: warning: unused variable 's' [-Wunused-variable]
  llo s=0;
      ^

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 10 ms 888 KB Output is correct
3 Correct 10 ms 888 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 372 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 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 11 ms 380 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 10 ms 888 KB Output is correct
17 Correct 63 ms 4968 KB Output is correct
18 Correct 5 ms 376 KB Output is correct

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Incorrect 5 ms 376 KB Output isn't correct
3 Halted 0 ms 0 KB -

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 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 409 ms 16860 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 578 ms 40756 KB Output is correct
3 Correct 560 ms 40640 KB Output is correct
4 Correct 583 ms 40768 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 578 ms 40756 KB Output is correct
3 Correct 560 ms 40640 KB Output is correct
4 Correct 583 ms 40768 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 600 ms 40672 KB Output is correct
7 Correct 608 ms 40644 KB Output is correct
8 Correct 615 ms 40768 KB Output is correct
9 Correct 624 ms 40768 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 578 ms 40756 KB Output is correct
3 Correct 560 ms 40640 KB Output is correct
4 Correct 583 ms 40768 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 58 ms 4968 KB Output is correct
7 Correct 68 ms 4984 KB Output is correct
8 Correct 60 ms 4968 KB Output is correct
9 Correct 60 ms 4968 KB Output is correct
10 Correct 60 ms 4968 KB Output is correct
11 Correct 62 ms 4968 KB Output is correct
12 Correct 56 ms 4968 KB Output is correct
13 Correct 64 ms 4968 KB Output is correct
14 Correct 59 ms 4968 KB Output is correct
15 Correct 66 ms 4972 KB Output is correct
16 Correct 68 ms 4964 KB Output is correct
17 Correct 72 ms 4968 KB Output is correct
18 Correct 576 ms 40812 KB Output is correct
19 Correct 569 ms 40820 KB Output is correct
20 Correct 658 ms 40644 KB Output is correct
21 Correct 62 ms 4968 KB Output is correct
22 Correct 58 ms 5036 KB Output is correct
23 Correct 174 ms 8648 KB Output is correct

Subtask #7
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 64 ms 4968 KB Output is correct
3 Correct 70 ms 5136 KB Output is correct
4 Correct 655 ms 40640 KB Output is correct
5 Correct 64 ms 4968 KB Output is correct
6 Correct 65 ms 4956 KB Output is correct
7 Correct 69 ms 4968 KB Output is correct
8 Correct 65 ms 4964 KB Output is correct
9 Correct 65 ms 4972 KB Output is correct
10 Correct 66 ms 4968 KB Output is correct
11 Correct 64 ms 4968 KB Output is correct
12 Correct 56 ms 4968 KB Output is correct
13 Correct 67 ms 5120 KB Output is correct
14 Correct 629 ms 40640 KB Output is correct
15 Correct 64 ms 4968 KB Output is correct
16 Correct 564 ms 40664 KB Output is correct
17 Correct 546 ms 40852 KB Output is correct
18 Correct 5 ms 376 KB Output is correct

Subtask #8
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 10 ms 888 KB Output is correct
3 Correct 10 ms 888 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 372 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 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 11 ms 380 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 10 ms 888 KB Output is correct
17 Correct 63 ms 4968 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Incorrect 5 ms 376 KB Output isn't correct
21 Halted 0 ms 0 KB -