oj.uz

Submission #791286

# Submission time Handle Problem Language Result Execution time Memory
791286 2023-07-23T22:59:10 Z I_Love_EliskaM_ Wiring (IOI17_wiring) C++14
100 / 100
 45 ms 9876 KB 
#include "wiring.h"
#include <bits/stdc++.h>
using namespace std;
#define forn(i,n) for(int i=0;i<n;++i)
#define pb push_back
#define ll long long
#define pi pair<int,int>
#define f first
#define s second
#define all(x) x.begin(),x.end()
#define int ll
const int inf = 1e18;

int cost(vector<pi>&a, vector<int>&pr, int nw, int i, int j) {
	int fcnt = nw - j;
	int scnt = i - nw + 1;

	int fsum = pr[nw] - pr[j];
	int ssum = pr[i+1] - pr[nw];
	if (fcnt < scnt) {
		fsum += a[nw-1].f * (scnt-fcnt);
	}
	if (scnt < fcnt) {
		ssum += a[nw].f * (fcnt-scnt);
	}
	return ssum - fsum;
}

int min_total_length(vector<int32_t> r, vector<int32_t> b) {
	int n=r.size(),m=b.size();

	vector<pi> a;
	forn(i,n) a.pb({r[i],0});
	forn(i,m) a.pb({b[i],1});
	sort(all(a));	

	vector<int> dp(n+m+1,inf);
	dp[0]=0;
	vector<int> opt(n+m+1,-1);

	int i=0;
	while (a[i].s==a[0].s) ++i;

	int old=0, nw=i;
	vector<int> pr(n+m+1);
	forn(i,n+m) pr[i+1]=pr[i]+a[i].f;

	dp[i+1] = cost(a,pr,i,i,0);
	opt[i+1] = 0;
	++i;

	for (;i<n+m;++i) {
		if (a[i].s != a[i-1].s) {
			old=nw;
			nw=i;
			int j=nw-1;
			for (; j>old; --j) {
				int x = dp[j]+cost(a,pr,nw,i,j);
				int y = dp[j-1]+cost(a,pr,nw,i,j-1);
				if (y>x) break;
			}
			opt[i+1] = j;
			dp[i+1] = min(dp[j],dp[j+1])+cost(a,pr,nw,i,j);
		} else {
			int j=opt[i];
			for (; j>old; --j) {
				int x = dp[j]+cost(a,pr,nw,i,j);
				int y = dp[j-1]+cost(a,pr,nw,i,j-1);
				if (y>x) break;
			}
			opt[i+1] = j;
			dp[i+1] = min(dp[j],dp[j+1])+cost(a,pr,nw,i,j);
		}
	}
	return dp[n+m];
}
#undef int

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 0 ms 212 KB Output is correct
6 Correct 1 ms 224 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 264 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 276 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 27 ms 7272 KB Output is correct
4 Correct 20 ms 7292 KB Output is correct
5 Correct 20 ms 7352 KB Output is correct
6 Correct 27 ms 9660 KB Output is correct
7 Correct 26 ms 9676 KB Output is correct
8 Correct 26 ms 9664 KB Output is correct
9 Correct 26 ms 9676 KB Output is correct

Subtask #3
10.0 / 10.0

# 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 39 ms 9644 KB Output is correct
4 Correct 40 ms 9732 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 300 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 296 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 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 38 ms 9732 KB Output is correct
19 Correct 40 ms 9696 KB Output is correct
20 Correct 41 ms 9740 KB Output is correct
21 Correct 38 ms 9716 KB Output is correct
22 Correct 38 ms 9772 KB Output is correct
23 Correct 40 ms 9780 KB Output is correct
24 Correct 45 ms 9768 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 33 ms 9656 KB Output is correct
3 Correct 36 ms 9648 KB Output is correct
4 Correct 36 ms 9632 KB Output is correct
5 Correct 36 ms 9596 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 300 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 33 ms 9784 KB Output is correct
19 Correct 35 ms 9788 KB Output is correct
20 Correct 33 ms 9740 KB Output is correct
21 Correct 31 ms 9784 KB Output is correct
22 Correct 33 ms 9740 KB Output is correct
23 Correct 28 ms 9736 KB Output is correct
24 Correct 32 ms 9768 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 0 ms 212 KB Output is correct
6 Correct 1 ms 224 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 264 KB Output is correct
17 Correct 0 ms 276 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 27 ms 7272 KB Output is correct
20 Correct 20 ms 7292 KB Output is correct
21 Correct 20 ms 7352 KB Output is correct
22 Correct 27 ms 9660 KB Output is correct
23 Correct 26 ms 9676 KB Output is correct
24 Correct 26 ms 9664 KB Output is correct
25 Correct 26 ms 9676 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 39 ms 9644 KB Output is correct
29 Correct 40 ms 9732 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 300 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 296 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 38 ms 9732 KB Output is correct
44 Correct 40 ms 9696 KB Output is correct
45 Correct 41 ms 9740 KB Output is correct
46 Correct 38 ms 9716 KB Output is correct
47 Correct 38 ms 9772 KB Output is correct
48 Correct 40 ms 9780 KB Output is correct
49 Correct 45 ms 9768 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 33 ms 9656 KB Output is correct
52 Correct 36 ms 9648 KB Output is correct
53 Correct 36 ms 9632 KB Output is correct
54 Correct 36 ms 9596 KB Output is correct
55 Correct 0 ms 212 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 0 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 1 ms 300 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 0 ms 212 KB Output is correct
67 Correct 33 ms 9784 KB Output is correct
68 Correct 35 ms 9788 KB Output is correct
69 Correct 33 ms 9740 KB Output is correct
70 Correct 31 ms 9784 KB Output is correct
71 Correct 33 ms 9740 KB Output is correct
72 Correct 28 ms 9736 KB Output is correct
73 Correct 32 ms 9768 KB Output is correct
74 Correct 28 ms 9772 KB Output is correct
75 Correct 35 ms 9756 KB Output is correct
76 Correct 35 ms 9804 KB Output is correct
77 Correct 33 ms 9764 KB Output is correct
78 Correct 31 ms 9736 KB Output is correct
79 Correct 34 ms 9752 KB Output is correct
80 Correct 28 ms 9744 KB Output is correct
81 Correct 34 ms 9796 KB Output is correct
82 Correct 27 ms 9756 KB Output is correct
83 Correct 27 ms 9784 KB Output is correct
84 Correct 34 ms 9712 KB Output is correct
85 Correct 35 ms 9712 KB Output is correct
86 Correct 29 ms 9736 KB Output is correct
87 Correct 30 ms 9772 KB Output is correct
88 Correct 31 ms 9740 KB Output is correct
89 Correct 30 ms 9756 KB Output is correct
90 Correct 45 ms 9780 KB Output is correct
91 Correct 29 ms 9772 KB Output is correct
92 Correct 32 ms 9772 KB Output is correct
93 Correct 30 ms 9732 KB Output is correct
94 Correct 32 ms 9812 KB Output is correct
95 Correct 34 ms 9788 KB Output is correct
96 Correct 27 ms 9768 KB Output is correct
97 Correct 28 ms 9784 KB Output is correct
98 Correct 35 ms 9776 KB Output is correct
99 Correct 30 ms 9876 KB Output is correct
100 Correct 40 ms 9716 KB Output is correct
101 Correct 30 ms 9752 KB Output is correct
102 Correct 37 ms 9744 KB Output is correct