Submission #1036373

#	Time	Username	Problem	Language	Result	Execution time	Memory
1036373		beaconmc	Wiring (IOI17_wiring)	C++14	0 / 100	1089 ms	97688 KiB

wiring

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")

#include "wiring.h"
#include <bits/stdc++.h>
 
typedef long long ll;
#define FOR(i,x,y) for(ll i=x; i<y; i++)
#define FORNEG(i,x,y) for(ll i=x; i>y; i--)
 
using namespace std;
 
 
ll n,m;
vector<ll> R,B;
map<ll, ll> cache;
map<ll,ll> poses;
 
ll dp(ll x, ll y){
	if (abs(poses[x]-poses[y]) > 7) return 1000000000000000;
	if (cache.count(x*1000000+y)) return cache[x*1000000+y];
	if (x==n && y==m) return 0;
	if (x>=n || y >= m) return 1000000000000000;
    
 
	return cache[x*1000000+y] = min(dp(x+1,y), min(dp(x,y+1), dp(x+1,y+1))) + abs(R[x] - B[y]);
}
 
long long min_total_length(std::vector<int> r, std::vector<int> b) {
	R.clear();
	B.clear();
	vector<ll> stuff;
	for (auto&i : r) stuff.push_back(i);
	for (auto&i : b) stuff.push_back(i);

	sort(stuff.begin(), stuff.end());
	FOR(i,0,stuff.size()){
		poses[stuff[i]] = i;
	}

	cache.clear();
	for (auto&i : r) R.push_back(i);
	for (auto&i : b) B.push_back(i);
	n = r.size();
	m = b.size();
	return dp(0,0);
}

Compilation message (stderr)

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:8:33: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define FOR(i,x,y) for(ll i=x; i<y; i++)
......
   37 |  FOR(i,0,stuff.size()){
      |      ~~~~~~~~~~~~~~~~            
wiring.cpp:37:2: note: in expansion of macro 'FOR'
   37 |  FOR(i,0,stuff.size()){
      |  ^~~

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