結果

問題 No.704 ゴミ拾い Medium
ユーザー azbrugby
提出日時 2019-03-16 19:31:43
言語 C++11（廃止可能性あり）
(gcc 13.3.0)
結果
AC  
実行時間 136 ms / 1,500 ms
コード長 1,684 bytes
コンパイル時間 616 ms
コンパイル使用メモリ 80,700 KB
実行使用メモリ 17,720 KB
最終ジャッジ日時 2024-07-01 22:38:44
合計ジャッジ時間 5,774 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge3
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ファイルパターン 結果
sample AC * 4
other AC * 44
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:61:47: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘ll*’ {aka ‘long long int*’} [-Wformat=]
   61 |         for (int i = 1; i <= n; i++)scanf_s("%d", a + i);
      |                                              ~^   ~~~~~
      |                                               |     |
      |                                               int*  ll* {aka long long int*}
      |                                              %lld
main.cpp:62:47: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘ll*’ {aka ‘long long int*’} [-Wformat=]
   62 |         for (int i = 1; i <= n; i++)scanf_s("%d", x + i);
      |                                              ~^   ~~~~~
      |                                               |     |
      |                                               int*  ll* {aka long long int*}
      |                                              %lld
main.cpp:63:47: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘ll*’ {aka ‘long long int*’} [-Wformat=]
   63 |         for (int i = 1; i <= n; i++)scanf_s("%d", y + i);
      |                                              ~^   ~~~~~
      |                                               |     |
      |                                               int*  ll* {aka long long int*}
      |                                              %lld
main.cpp:61:44: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   61 |         for (int i = 1; i <= n; i++)scanf_s("%d", a + i);
      |                                            ^
main.cpp:62:44: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   62 |         for (int i = 1; i <= n; i++)scanf_s("%d", x + i);
      |

ソースコード

diff # 

#include <iostream>
#include <algorithm>
#include <cstring>
#include <sstream>
#include <map>
#include <queue>
#include <set>
#include <vector>
#include <stack>
#include <cstdio>
#include <cmath>
#include <bitset>
#define mk make_pair
#define pb push_back
using namespace std;
typedef long long int ll;
typedef pair<ll, ll> pos;

const ll MOD = 1234567, N = 300010, dx[4] = { -1,1,0,0 }, dy[4] = { 0,0,-1,1 }, MIN = -72340172838, MAX = 72340172838;
const int S = 60;
ll mn(ll a, ll b) {
	if (a == -1)return b;
	if (b == -1)return a;
	return min(a, b);
}
static ll gcd(ll v1, ll v2) {
	if (v1 == 0)return v2; if (v2 == 0)return v1; if (v2 > v1)return gcd(v2%v1, v1); return gcd(v1%v2, v2);
}

ll pw(ll v1, ll v2) {
	ll v3 = 1;
	while (v2 > 0) {
		if (v2 % 2)v3 = (v3*v1) % MOD;
		v1 = (v1*v1) % MOD;
		v2 /= 2;
	}
	return v3;
}

ll n, a[N], dp[N],bt1[N],bt2[N],x[N],y[N];

void ad(ll v1, ll v2,ll bt[]) {
	while (v1 < N) {
		bt[v1] = min(bt[v1],v2);
		v1 += v1 & -v1;
	}
}

ll sm(ll v1,ll bt[]) {
	ll v2 = MAX;
	while (v1 > 0) {
		v2 =min(bt[v1],v2);
		v1 -= v1 & -v1;
	}
	return v2;
}

#define scanf_s scanf
int main() {
	cin >> n;
	for (int i = 1; i <= n; i++)scanf_s("%d", a + i);
	for (int i = 1; i <= n; i++)scanf_s("%d", x + i);
	for (int i = 1; i <= n; i++)scanf_s("%d", y + i);
	for (int i = 1; i < N; i++)bt1[i] = bt2[i] = MAX;
	for (int i = 1; i <= n; i++) {
		ll xi = upper_bound(x + 1, x + i + 1, a[i]) - x - 1;
		ad(i, dp[i - 1] - x[i] + y[i], bt1);
		ad(n + 1 - i, dp[i - 1] + x[i] + y[i], bt2);
		dp[i] = MAX;
		ll v1 = sm(xi, bt1), v2 = sm(n + 1 - (xi + 1), bt2);
		dp[i] = mn(dp[i], a[i] + v1);
		dp[i] = mn(dp[i], v2 - a[i]);
	}
	cout << dp[n] << endl;


	return 0;
}
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