Submission #448059

# Submission time Handle Problem Language Result Execution time Memory
448059 2021-07-28T16:54:02 Z mosiashvililuka Teleporters (IOI08_teleporters) C++14
75 / 100
556 ms 65536 KB
#include<bits/stdc++.h>
using namespace std;
const int N=2000009;
int a,b,c,d,e,i,j,ii,jj,zx,xc,pi,fx[N],f[N],pas,bo[N],zm[N],li;
pair <int, int> P[N],p[N];
int l[N];
int main(){
	ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	cin>>a>>b;
	for(i=1; i<=a; i++){
		cin>>P[i].first>>P[i].second;
		pi++;p[pi].first=P[i].first;p[pi].second=P[i].second;
		pi++;p[pi].first=P[i].second;p[pi].second=P[i].first;
	}
	sort(p+1,p+pi+1);
	zx=1;
	fx[0]=zx;
	for(i=1; i<=pi; i++){
		zx++;
		fx[p[i].first]=zx;
	}
	for(i=1; i<=pi; i++){
		f[i]=fx[p[i].second];
	}
	pas=0;
	for(i=1; i<=pi; i++){
		if(bo[i]!=0) continue;
		c=i;
		while(bo[c]==0&&c!=0){
			bo[c]=1;c=f[c];zm[i]++;
		}
		if(i==1){
			pas=zm[i]-1;
		}else{
			li++;
			l[li]=zm[i];
		}
	}
	sort(l+1,l+li+1);
	while(b>0&&li>0){
		pas+=l[li]+2;b--;li--;
	}
	pas+=b*2;
	cout<<pas;
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 332 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 584 KB Output is correct
2 Correct 5 ms 1272 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 588 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 6 ms 1180 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 1484 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 59 ms 10044 KB Output is correct
2 Correct 153 ms 25540 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 120 ms 18332 KB Output is correct
2 Incorrect 270 ms 36088 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Correct 326 ms 48056 KB Output is correct
2 Correct 379 ms 56236 KB Output is correct
3 Correct 424 ms 60208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 482 ms 63556 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 556 ms 65536 KB Output is correct
2 Correct 524 ms 65536 KB Output is correct
3 Correct 398 ms 65536 KB Output is correct
4 Correct 486 ms 65536 KB Output is correct