Submission #425605

#	Time	Username	Problem	Language	Result	Execution time	Memory
425605		Tangent	Wiring (IOI17_wiring)	C++17	0 / 100	1082 ms	4452 KiB

wiring

#include "wiring.h"
#include "bits/stdc++.h"

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vii;
typedef vector<ll> vll;
typedef vector<pii> vpii;
typedef vector<pll> vpll;
typedef vector<vii> vvii;
typedef vector<vll> vvll;
typedef vector<vpii> vvpii;
typedef vector<vpll> vvpll;

#define ffor(i, a, b) for (ll i = (a); i < (b); i++)
#define fford(i, a, b) for (ll i = (a); i > (b); i--)
#define rep(i, n) ffor(i, 0, n)
#define forin(x, a) for (auto &x: a)
#define all(a) a.begin(), a.end()

long long min_total_length(std::vector<int> r, std::vector<int> b) {
	if (r.size() > b.size()) {
		swap(r, b);
	}
	vll dp(b.size() + 1, 1LL << 62);
	dp[0] = 0;
	rep(i, b.size() - r.size() + 1) {
		dp[i + 1] = dp[i] + abs(b[i] - r[0]);
	}
	ffor(j, 1, r.size()) {
		vll ndp(b.size() + 1, 1LL << 62);
		ffor(i, j, b.size() - r.size() + j + 1) {
			ll curr = 0;
			rep(k, i - j + 1) {
				curr += abs(b[i - k] - r[j]);
				ndp[i + 1] = min(ndp[i + 1], dp[i- k] + curr);
			}
		}
		dp = move(ndp);
	}

	return dp.back();
}

Compilation message (stderr)

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:18:42: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 | #define ffor(i, a, b) for (ll i = (a); i < (b); i++)
      |                                          ^
wiring.cpp:20:19: note: in expansion of macro 'ffor'
   20 | #define rep(i, n) ffor(i, 0, n)
      |                   ^~~~
wiring.cpp:30:2: note: in expansion of macro 'rep'
   30 |  rep(i, b.size() - r.size() + 1) {
      |  ^~~
wiring.cpp:18:42: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 | #define ffor(i, a, b) for (ll i = (a); i < (b); i++)
      |                                          ^
wiring.cpp:33:2: note: in expansion of macro 'ffor'
   33 |  ffor(j, 1, r.size()) {
      |  ^~~~
wiring.cpp:18:42: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'long long unsigned int' [-Wsign-compare]
   18 | #define ffor(i, a, b) for (ll i = (a); i < (b); i++)
      |                                          ^
wiring.cpp:35:3: note: in expansion of macro 'ffor'
   35 |   ffor(i, j, b.size() - r.size() + j + 1) {
      |   ^~~~

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