oj.uz

Submission #95828

# Submission time Handle Problem Language Result Execution time Memory
95828 2019-02-02T19:07:37 Z Kastanda Candies (JOI18_candies) C++11
100 / 100
 503 ms 19600 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 200005;
int n, L[N], R[N];
ll A[N];
set < pair < ll , int > > S;
int main()
{
    scanf("%d", &n);
    for (int i = 1; i <= n; i++)
    {
        scanf("%lld", &A[i]);
        L[i] = i - 1; R[i] = i + 1;
        S.insert({A[i], i});
    }
    ll Mx = 0;
    for (int i = 0; i < (n + 1 >> 1); i++)
    {
        int id = S.rbegin()->second;
        S.erase(*S.rbegin());
        Mx += A[id];
        printf("%lld\n", Mx);
        int le = L[id], ri = R[id];
        S.erase({A[le], le});
        S.erase({A[ri], ri});
        if (le <= 0 || ri <= 0 || ri > n || le > n)
        {
            L[R[ri]] = 0;
            R[L[le]] = n + 1;
            continue;
        }
        A[id] = A[le] + A[ri] - A[id];
        L[id] = L[le];
        R[id] = R[ri];
        L[R[id]] = id;
        R[L[id]] = id;
        S.insert({A[id], id});
    }
    return 0;
}

Compilation message

candies.cpp: In function 'int main()':
candies.cpp:18:28: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     for (int i = 0; i < (n + 1 >> 1); i++)
                          ~~^~~
candies.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
candies.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &A[i]);
         ~~~~~^~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 508 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 3 ms 504 KB Output is correct
15 Correct 3 ms 508 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 3 ms 540 KB Output is correct
19 Correct 3 ms 504 KB Output is correct
20 Correct 3 ms 504 KB Output is correct

Subtask #2
92.0 / 92.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 508 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 3 ms 504 KB Output is correct
15 Correct 3 ms 508 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 3 ms 540 KB Output is correct
19 Correct 3 ms 504 KB Output is correct
20 Correct 3 ms 504 KB Output is correct
21 Correct 445 ms 19600 KB Output is correct
22 Correct 503 ms 19448 KB Output is correct
23 Correct 382 ms 19468 KB Output is correct
24 Correct 171 ms 19164 KB Output is correct
25 Correct 187 ms 19192 KB Output is correct
26 Correct 174 ms 19204 KB Output is correct
27 Correct 182 ms 19324 KB Output is correct
28 Correct 163 ms 19320 KB Output is correct
29 Correct 165 ms 19320 KB Output is correct
30 Correct 175 ms 19456 KB Output is correct
31 Correct 174 ms 19448 KB Output is correct
32 Correct 172 ms 19448 KB Output is correct
33 Correct 261 ms 19192 KB Output is correct
34 Correct 253 ms 19192 KB Output is correct
35 Correct 259 ms 19460 KB Output is correct
36 Correct 457 ms 19448 KB Output is correct
37 Correct 480 ms 19468 KB Output is correct
38 Correct 459 ms 19448 KB Output is correct
39 Correct 178 ms 19344 KB Output is correct
40 Correct 176 ms 19164 KB Output is correct
41 Correct 175 ms 19196 KB Output is correct
42 Correct 178 ms 19392 KB Output is correct
43 Correct 182 ms 19448 KB Output is correct
44 Correct 176 ms 19452 KB Output is correct
45 Correct 184 ms 19440 KB Output is correct
46 Correct 171 ms 19324 KB Output is correct
47 Correct 183 ms 19520 KB Output is correct
48 Correct 301 ms 19448 KB Output is correct
49 Correct 306 ms 19192 KB Output is correct
50 Correct 291 ms 19156 KB Output is correct