Submission #1063884

#	Time	Username	Problem	Language	Result	Execution time	Memory
1063884		lakshith_	Wiring (IOI17_wiring)	C++14	0 / 100	5 ms	8028 KiB

wiring

#include <bits/stdc++.h>
using namespace std;
 
int d(int x, int y) {return abs(x - y);}
 
long long min_total_length(vector<int> r, vector<int> b) {
    int n = r.size(), m = b.size();
 
    int dp[100001][20];
    dp[0][0] = d(r[0], b[0]);

    const int block_size = 10;

    for(int i = 1; i < n; i++) dp[i][0] = dp[i-1][0] + d(r[i], b[0]);
    for(int i = 1; i < min(m, 10); i++) dp[0][i] = dp[0][i-1] + d(r[0], b[i]);

    for(int i = 1; i < n; i++) 
        for(int j_index = -block_size; j_index < block_size; j_index++) {
          if (j_index+i >= 0 && j_index+i < m) {
            int j = j_index+i;
            dp[i][j] = min({dp[i-1][j], (j == 0 ? 0 : dp[i][j-1]), (j == 0 ? 0 : dp[i-1][j-1])}) + d(r[i], b[j]);
          }
        }
            
    return dp[n - 1][m - 1];
}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 13
• Subtask 3: 0 / 10
• Subtask 4: 0 / 25
• Subtask 5: 0 / 45