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Submission #581639

# Submission time Handle Problem Language Result Execution time Memory
581639 2022-06-22T23:57:49 Z zaneyu Finding Routers (IOI20_routers) C++14
100 / 100
 71 ms 684 KB 
#include "routers.h"
#include<bits/stdc++.h>
using namespace std;
#define f first
#define s second
map<int,int> mp;
std::vector<int> find_routers(int L, int N, int q) {
    vector<int> A(N);
	for(int i=1;i<N;i++){
	    int l=A[i-1],r=L;
	    for(auto x:mp){
	        if(x.s==i-1) l=x.f;
	    }
	    for(auto x:mp){
	        if(x.s>=i){
	            r=x.f;
	            break;
	        }
	    }
	    while(l<r){
	        int mid=(l+r+1)/2;
	        if(!mp.count(mid)) mp[mid]=use_detector(mid);
	        if(mp[mid]==i-1) l=mid;
	        else r=mid-1;
	    }
	    A[i]=A[i-1]+(l-A[i-1])*2;
	}
  return A;
}

Subtask #1
16.0 / 16.0

# 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 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 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 1 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 2 ms 300 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 2 ms 296 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 2 ms 340 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct

Subtask #3
23.0 / 23.0

# 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 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 304 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 1 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 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 296 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 612 KB Output is correct
2 Correct 64 ms 536 KB Output is correct
3 Correct 57 ms 516 KB Output is correct
4 Correct 54 ms 636 KB Output is correct
5 Correct 56 ms 528 KB Output is correct
6 Correct 55 ms 584 KB Output is correct
7 Correct 71 ms 612 KB Output is correct
8 Correct 69 ms 588 KB Output is correct
9 Correct 57 ms 596 KB Output is correct
10 Correct 53 ms 544 KB Output is correct
11 Correct 12 ms 340 KB Output is correct
12 Correct 61 ms 624 KB Output is correct
13 Correct 16 ms 372 KB Output is correct
14 Correct 65 ms 600 KB Output is correct
15 Correct 54 ms 600 KB Output is correct
16 Correct 56 ms 576 KB Output is correct
17 Correct 57 ms 544 KB Output is correct
18 Correct 66 ms 584 KB Output is correct
19 Correct 56 ms 588 KB Output is correct
20 Correct 57 ms 636 KB Output is correct
21 Correct 63 ms 684 KB Output is correct