oj.uz

Submission #98193

# Submission time Handle Problem Language Result Execution time Memory
98193 2019-02-21T12:10:13 Z onjo0127 Candies (JOI18_candies) C++11
100 / 100
 189 ms 10488 KB 
#include <bits/stdc++.h>
using namespace std;

long long A[200009];
int L[200009], R[200009];
bool chk[200009];

int main() {
    int N; scanf("%d",&N);
    priority_queue<pair<long long, int> > pq;
    for(int i=1; i<=N; i++) {
        scanf("%d",&A[i]);
        pq.push({A[i], i});
        L[i] = i-1; R[i] = i+1;
    }
    pq.push({-1LL * 1e18, 0}); R[0] = 1; A[0] = -1LL * 1e18;
    pq.push({-1LL * 1e18, N+1}); L[N+1] = N; A[N+1] = -1LL * 1e18;
    long long ans = 0;
    for(int i=1; i<=(N+1)/2; i++) {
        long long v; int id;
        while(1) {
            tie(v, id) = pq.top(); pq.pop();
            if(!chk[id]) break;
        }
        ans += v; printf("%lld\n",ans);
        A[id] = A[L[id]] + A[R[id]] - A[id];
        pq.push({A[id], id});
        chk[L[id]] = chk[R[id]] = 1;
        L[id] = L[L[id]]; R[id] = R[R[id]];
        R[L[id]] = id; L[R[id]] = id;
    }
    return 0;
}

Compilation message

candies.cpp: In function 'int main()':
candies.cpp:12:25: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
         scanf("%d",&A[i]);
                    ~~~~~^
candies.cpp:9:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int N; scanf("%d",&N);
            ~~~~~^~~~~~~~~
candies.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&A[i]);
         ~~~~~^~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 512 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 4 ms 512 KB Output is correct
15 Correct 3 ms 512 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 3 ms 384 KB Output is correct

Subtask #2
92.0 / 92.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 512 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 4 ms 512 KB Output is correct
15 Correct 3 ms 512 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 153 ms 10012 KB Output is correct
22 Correct 181 ms 10484 KB Output is correct
23 Correct 156 ms 10280 KB Output is correct
24 Correct 100 ms 10208 KB Output is correct
25 Correct 144 ms 10256 KB Output is correct
26 Correct 101 ms 10116 KB Output is correct
27 Correct 188 ms 10252 KB Output is correct
28 Correct 131 ms 10476 KB Output is correct
29 Correct 151 ms 10460 KB Output is correct
30 Correct 119 ms 10332 KB Output is correct
31 Correct 125 ms 10332 KB Output is correct
32 Correct 169 ms 10332 KB Output is correct
33 Correct 138 ms 10080 KB Output is correct
34 Correct 131 ms 10076 KB Output is correct
35 Correct 162 ms 10248 KB Output is correct
36 Correct 175 ms 10332 KB Output is correct
37 Correct 185 ms 10332 KB Output is correct
38 Correct 147 ms 10332 KB Output is correct
39 Correct 156 ms 10076 KB Output is correct
40 Correct 112 ms 10184 KB Output is correct
41 Correct 118 ms 10076 KB Output is correct
42 Correct 180 ms 10460 KB Output is correct
43 Correct 138 ms 10488 KB Output is correct
44 Correct 149 ms 10336 KB Output is correct
45 Correct 135 ms 10332 KB Output is correct
46 Correct 166 ms 10412 KB Output is correct
47 Correct 137 ms 10332 KB Output is correct
48 Correct 189 ms 10076 KB Output is correct
49 Correct 168 ms 10124 KB Output is correct
50 Correct 152 ms 10204 KB Output is correct