Submission #430606

#	Time	Username	Problem	Language	Result	Execution time	Memory
430606		asbsfds	Wiring (IOI17_wiring)	C++14	7 / 100	54 ms	8052 KiB

wiring

#include "wiring.h"
#include <vector>
typedef long long llint;

const int maxn = 410;

llint dp[maxn][maxn];
llint min(llint a, llint b) {
	if (a < b) return a;
	return b;
}

llint abs(llint x) {
	if (x < 0) return -x;
	return x;
}

long long min_total_length(std::vector<int> r, std::vector<int> b) {
	for (int i = 0; i < r.size(); i++) 
		for (int j = 0; j < b.size(); j++) 
			dp[i][j] = (1LL << 60);
			
	dp[0][0] = abs(r[0] - b[0]);
	for (int i = 0; i < r.size(); i++) {
		for (int j = 0; j < b.size(); j++) {
			llint dis = abs(r[i] - b[j]);
			if (i > 0) dp[i][j] = min(dp[i - 1][j] + dis, dp[i][j]);
			if (j > 0) dp[i][j] = min(dp[i][j - 1] + dis, dp[i][j]);
			if (i > 0 && j > 0) dp[i][j] = min(dp[i - 1][j - 1] + dis, dp[i][j]);
		}
	}
	
	/**
	for (int i = 0; i < r.size(); i++) {
		for (int j = 0; j < b.size(); j++) {
			printf("%d ", dp[i][j]);
		}
		printf("\n");
	}
	**/
	return dp[r.size() - 1][b.size() - 1];
}

Compilation message (stderr)

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:19:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |  for (int i = 0; i < r.size(); i++)
      |                  ~~^~~~~~~~~~
wiring.cpp:20:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |   for (int j = 0; j < b.size(); j++)
      |                   ~~^~~~~~~~~~
wiring.cpp:24:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |  for (int i = 0; i < r.size(); i++) {
      |                  ~~^~~~~~~~~~
wiring.cpp:25:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |   for (int j = 0; j < b.size(); j++) {
      |                   ~~^~~~~~~~~~

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