Submission #113475

#	Time	Username	Problem	Language	Result	Execution time	Memory
113475		E869120	Wiring (IOI17_wiring)	C++14	7 / 100	200 ms	75084 KiB

wiring

#include "wiring.h"
#include <bits/stdc++.h>
using namespace std;

long long N, M, A[200009], B[200009], dp[2009][2009];

long long solve_subtask1() {
	for (int i = 0; i <= N; i++) {
		for (int j = 0; j <= M; j++) dp[i][j] = (1LL << 60);
	}
	dp[0][0] = 0;
	for (int i = 0; i <= N; i++) {
		for (int j = 0; j <= M; j++) {
			dp[i + 1][j + 1] = min(dp[i + 1][j + 1], dp[i][j] + abs(A[i] - B[j]));
			if (j >= 1) dp[i + 1][j] = min(dp[i + 1][j], dp[i][j] + abs(A[i] - B[j - 1]));
			if (i >= 1) dp[i][j + 1] = min(dp[i][j + 1], dp[i][j] + abs(A[i - 1] - B[j]));
		}
	}
	return dp[N][M];
}

long long min_total_length(vector<int> r, vector<int> b) {
	N = r.size(); M = b.size();
	for (int i = 0; i < N; i++) A[i] = r[i];
	for (int i = 0; i < M; i++) B[i] = b[i];
	
	return solve_subtask1();
}

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