oj.uz

Submission #72943

# Submission time Handle Problem Language Result Execution time Memory
72943 2018-08-27T09:23:42 Z SmsS Wiring (IOI17_wiring) C++17
30 / 100
 1000 ms 7572 KB 
#include<bits/stdc++.h>
using namespace std;
#define for2(a,b,c) for(int a=b;a<c;a++)
#define ll long long
#include "wiring.h"

ll sub2(vector<int> r,vector<int> b){
	ll res = 0;
	int L = 0;
	int R = b.size()-1;
	while(L != r.size() && R != -1){
		res += b[R]-r[L];
		L++;
		R--;
	}
	while(R != -1){
		res += b[R]-r[L-1];
		R--;
	}
	while(L != r.size()){
		res += b[R+1]-r[L];
		L++;
	}
	return res;
}

#define PII pair<int,int>
#define F first
#define S second
#define pb push_back
#define all(x) (x).begin(),(x).end()
const int maxn = 200100;
ll dp[maxn];
ll sub3(vector<int> v1,vector<int> v2){
	vector<int> v[2];
	vector<PII> V;
	for(auto x : v1) {
		v[0].pb(x);
		V.pb({x,0});
	}
	for(auto x : v2){
		v[1].pb(x);
		V.pb({x,1});
	}
	sort(all(V));
	int n = V.size();
	for2(i,0,n){
		int x = V[i].F;
		bool t = V[i].S;

		dp[i] = 1e18;
		
		ll tmp = 1e18;
		int ind =  lower_bound(all(v[!t]),x)-v[!t].begin();
		if(ind != v[!t].size()) tmp = min(tmp,(ll)v[!t][ind]-x);
		ind --;
		if(ind >= 0)            tmp = min(tmp,(ll)x-v[!t][ind]);
		if(i) tmp += dp[i-1];
		dp[i] = tmp;	
		

		tmp = 0;
		ll cnt = 0;
		for(int j = i; j >= 0; j--){
			if(j != i) tmp += cnt*(V[j+1].F-V[j].F);
			if(V[j].S != V[i].S) break;
			cnt++;
		}
		int k = 0;
		for(int j = max(0ll,i-2*cnt+1); j <= i-cnt; j++){
			if(V[j].S == V[i].S) break;
			if(j != i-2*cnt+1) tmp += k*(V[j].F-V[j-1].F);
			k++;
		}
	
		if(k != cnt){
			continue;
		}
		dp[i] = min(dp[i],dp[i-2*cnt]+tmp);
	}
	return dp[V.size()-1];
}

long long min_total_length(std::vector<int> r, std::vector<int> b) {
	if(r.back() < b[0]) return sub2(r,b);
	return sub3(r,b);
}

Compilation message

wiring.cpp: In function 'long long int sub2(std::vector<int>, std::vector<int>)':
wiring.cpp:11:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while(L != r.size() && R != -1){
        ~~^~~~~~~~~~~
wiring.cpp:20:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while(L != r.size()){
        ~~^~~~~~~~~~~
wiring.cpp: In function 'long long int sub3(std::vector<int>, std::vector<int>)':
wiring.cpp:55:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(ind != v[!t].size()) tmp = min(tmp,(ll)v[!t][ind]-x);
      ~~~~^~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 412 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 2 ms 552 KB Output is correct
7 Correct 2 ms 560 KB Output is correct
8 Correct 2 ms 560 KB Output is correct
9 Correct 2 ms 560 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 3 ms 560 KB Output is correct
13 Correct 2 ms 560 KB Output is correct
14 Correct 3 ms 560 KB Output is correct
15 Correct 3 ms 688 KB Output is correct
16 Correct 3 ms 688 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 688 KB Output is correct
2 Correct 3 ms 688 KB Output is correct
3 Correct 31 ms 2376 KB Output is correct
4 Correct 33 ms 2376 KB Output is correct
5 Correct 33 ms 2376 KB Output is correct
6 Correct 47 ms 2936 KB Output is correct
7 Correct 38 ms 3064 KB Output is correct
8 Correct 41 ms 3064 KB Output is correct
9 Correct 40 ms 3064 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3064 KB Output is correct
2 Correct 3 ms 3064 KB Output is correct
3 Correct 93 ms 7364 KB Output is correct
4 Correct 78 ms 7364 KB Output is correct
5 Correct 2 ms 7364 KB Output is correct
6 Correct 3 ms 7364 KB Output is correct
7 Correct 2 ms 7364 KB Output is correct
8 Correct 3 ms 7364 KB Output is correct
9 Correct 2 ms 7364 KB Output is correct
10 Correct 2 ms 7364 KB Output is correct
11 Correct 2 ms 7364 KB Output is correct
12 Correct 2 ms 7364 KB Output is correct
13 Correct 3 ms 7364 KB Output is correct
14 Correct 3 ms 7364 KB Output is correct
15 Correct 2 ms 7364 KB Output is correct
16 Correct 2 ms 7364 KB Output is correct
17 Correct 2 ms 7364 KB Output is correct
18 Correct 80 ms 7364 KB Output is correct
19 Correct 80 ms 7364 KB Output is correct
20 Correct 82 ms 7364 KB Output is correct
21 Correct 82 ms 7364 KB Output is correct
22 Correct 78 ms 7364 KB Output is correct
23 Correct 87 ms 7444 KB Output is correct
24 Correct 85 ms 7572 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7572 KB Output is correct
2 Execution timed out 1075 ms 7572 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 412 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 2 ms 552 KB Output is correct
7 Correct 2 ms 560 KB Output is correct
8 Correct 2 ms 560 KB Output is correct
9 Correct 2 ms 560 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 3 ms 560 KB Output is correct
13 Correct 2 ms 560 KB Output is correct
14 Correct 3 ms 560 KB Output is correct
15 Correct 3 ms 688 KB Output is correct
16 Correct 3 ms 688 KB Output is correct
17 Correct 3 ms 688 KB Output is correct
18 Correct 3 ms 688 KB Output is correct
19 Correct 31 ms 2376 KB Output is correct
20 Correct 33 ms 2376 KB Output is correct
21 Correct 33 ms 2376 KB Output is correct
22 Correct 47 ms 2936 KB Output is correct
23 Correct 38 ms 3064 KB Output is correct
24 Correct 41 ms 3064 KB Output is correct
25 Correct 40 ms 3064 KB Output is correct
26 Correct 2 ms 3064 KB Output is correct
27 Correct 3 ms 3064 KB Output is correct
28 Correct 93 ms 7364 KB Output is correct
29 Correct 78 ms 7364 KB Output is correct
30 Correct 2 ms 7364 KB Output is correct
31 Correct 3 ms 7364 KB Output is correct
32 Correct 2 ms 7364 KB Output is correct
33 Correct 3 ms 7364 KB Output is correct
34 Correct 2 ms 7364 KB Output is correct
35 Correct 2 ms 7364 KB Output is correct
36 Correct 2 ms 7364 KB Output is correct
37 Correct 2 ms 7364 KB Output is correct
38 Correct 3 ms 7364 KB Output is correct
39 Correct 3 ms 7364 KB Output is correct
40 Correct 2 ms 7364 KB Output is correct
41 Correct 2 ms 7364 KB Output is correct
42 Correct 2 ms 7364 KB Output is correct
43 Correct 80 ms 7364 KB Output is correct
44 Correct 80 ms 7364 KB Output is correct
45 Correct 82 ms 7364 KB Output is correct
46 Correct 82 ms 7364 KB Output is correct
47 Correct 78 ms 7364 KB Output is correct
48 Correct 87 ms 7444 KB Output is correct
49 Correct 85 ms 7572 KB Output is correct
50 Correct 2 ms 7572 KB Output is correct
51 Execution timed out 1075 ms 7572 KB Time limit exceeded
52 Halted 0 ms 0 KB -