oj.uz

답안 #73882

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
73882 2018-08-29T08:12:43 Z 강태규(#2274) 놀이터에 떨어진 이상한 약 (FXCUP3_gorgeous) C++11
100 / 100
 443 ms 41600 KB 
#include <iostream>
#include <algorithm>
#include <vector>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <unordered_map>
#include <functional>
#include <cstring>
#include <cmath>
#include <ctime>
#include <cstdlib>

using namespace std;
typedef long long llong;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<llong, llong> pll;

int n;
int c[300001];
int d[300001];

struct node {
    int x, t; llong d;
    node(int x, llong d, int t) : x(x), d(d), t(t) {}
    bool operator<(const node &p) const {
        if (x != p.x) return x < p.x;
        return t < p.t;
    }
};

llong seg[300001];
void update(int i, llong x) {
    while (i <= n) {
        seg[i] = max(seg[i], x);
        i += i & -i;
    }
}

llong query(int i) {
    llong ret = 0;
    while (i) {
        ret = max(ret, seg[i]);
        i -= i & -i;
    }
    return ret;
}

llong ans[300001];
vector<node> ev[300001];
int main() {
    scanf("%d", &n);
    for (int i = 1; i <= n; ++i) scanf("%d", c + i);
    for (int i = 1; i <= n; ++i) scanf("%d", d + i);
    for (int i = 1; i <= n; ++i) {
        if (c[i] == 1) {
            ans[i] += d[i];
            continue;
        }
        if (i < n && i + c[i] - 1 <= n)
            ev[i + c[i] - 1].emplace_back(i, d[i], 1);
        if (1 <= i - c[i] + 1 && 1 < i)
            ev[i].emplace_back(i - c[i] + 1, d[i], 2);
    }
    
    for (int it = n; it > 0; --it) {
        sort(ev[it].begin(), ev[it].end());
        for (node n : ev[it]) {
            if (n.t == 0) {
                update(n.x, n.d);
                continue;
            }
            llong v = query(n.x) + n.d;
            if (n.t == 1) update(n.x + 1, v);
            else ev[it - 1].emplace_back(n.x, v, 0);
        }
        ans[it] += query(it);
    }
    for (int i = 1; i <= n; ++i) {
        printf("%lld%c", ans[i], "\n "[i < n]);
    }
	return 0;
}

Compilation message

gorgeous.cpp: In constructor 'node::node(int, llong, int)':
gorgeous.cpp:26:21: warning: 'node::d' will be initialized after [-Wreorder]
     int x, t; llong d;
                     ^
gorgeous.cpp:26:12: warning:   'int node::t' [-Wreorder]
     int x, t; llong d;
            ^
gorgeous.cpp:27:5: warning:   when initialized here [-Wreorder]
     node(int x, llong d, int t) : x(x), d(d), t(t) {}
     ^~~~
gorgeous.cpp: In function 'int main()':
gorgeous.cpp:54:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
gorgeous.cpp:55:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (int i = 1; i <= n; ++i) scanf("%d", c + i);
                                  ~~~~~^~~~~~~~~~~~~
gorgeous.cpp:56:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (int i = 1; i <= n; ++i) scanf("%d", d + i);
                                  ~~~~~^~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 7416 KB Output is correct
2 Correct 10 ms 7484 KB Output is correct
3 Correct 8 ms 7592 KB Output is correct
4 Correct 7 ms 7592 KB Output is correct
5 Correct 9 ms 7612 KB Output is correct
6 Correct 9 ms 7612 KB Output is correct

Subtask #2
39.0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 7416 KB Output is correct
2 Correct 10 ms 7484 KB Output is correct
3 Correct 8 ms 7592 KB Output is correct
4 Correct 7 ms 7592 KB Output is correct
5 Correct 9 ms 7612 KB Output is correct
6 Correct 9 ms 7612 KB Output is correct
7 Correct 8 ms 7612 KB Output is correct
8 Correct 9 ms 7612 KB Output is correct
9 Correct 8 ms 7612 KB Output is correct
10 Correct 11 ms 7612 KB Output is correct
11 Correct 11 ms 7636 KB Output is correct
12 Correct 11 ms 7680 KB Output is correct
13 Correct 9 ms 7680 KB Output is correct
14 Correct 10 ms 7692 KB Output is correct
15 Correct 11 ms 7820 KB Output is correct

Subtask #3
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 7416 KB Output is correct
2 Correct 10 ms 7484 KB Output is correct
3 Correct 8 ms 7592 KB Output is correct
4 Correct 7 ms 7592 KB Output is correct
5 Correct 9 ms 7612 KB Output is correct
6 Correct 9 ms 7612 KB Output is correct
7 Correct 8 ms 7612 KB Output is correct
8 Correct 9 ms 7612 KB Output is correct
9 Correct 8 ms 7612 KB Output is correct
10 Correct 11 ms 7612 KB Output is correct
11 Correct 11 ms 7636 KB Output is correct
12 Correct 11 ms 7680 KB Output is correct
13 Correct 9 ms 7680 KB Output is correct
14 Correct 10 ms 7692 KB Output is correct
15 Correct 11 ms 7820 KB Output is correct
16 Correct 13 ms 8092 KB Output is correct
17 Correct 28 ms 9516 KB Output is correct
18 Correct 92 ms 14948 KB Output is correct
19 Correct 138 ms 17068 KB Output is correct
20 Correct 344 ms 29488 KB Output is correct
21 Correct 443 ms 30508 KB Output is correct
22 Correct 348 ms 30508 KB Output is correct
23 Correct 335 ms 30508 KB Output is correct
24 Correct 381 ms 30508 KB Output is correct
25 Correct 231 ms 41600 KB Output is correct