oj.uz

Submission #37380

# Submission time Handle Problem Language Result Execution time Memory
37380 2017-12-25T03:23:05 Z HardNut Money (IZhO17_money) C++14
45 / 100
 1500 ms 6452 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 1e6 + 5;

typedef long long ll;

int n, a[N], ans, lst;
set<pair<int, int>> st;
bool us;

int main() {
//    freopen("money.in", "r", stdin);
//    freopen("money.out", "w", stdout);
    scanf("%d", &n);
    for (int i = 1; i <= n; i++) {
        scanf("%d", &a[i]);
        if (lst == a[i]) {
            if (us)
                st.erase({a[i], i});
            else
                st.insert({a[i], i});
            continue;
        }
        st.insert({a[i], i});
        us = 0;
        lst = a[i];
        auto id = st.find({a[i], i});
        if (id == st.begin()) {
            ans++;
            continue;
        }
        id--;
        if ((*id).second == i - 1) {
            continue;
        }
        id = lower_bound(st.begin(), st.end(), make_pair(a[i], -1));
        if (id == st.begin()) {
            ans++;
            continue;
        }
        id--;
        if ((*id).second == i - 1) {
            us = 1;
            st.erase({a[i], i});
            continue;
        }
        ans++;
    }
    printf("%d", ans);
}
/**
6
1 5 2 5 5 6
**/

Compilation message

money.cpp: In function 'int main()':
money.cpp:16:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
money.cpp:18:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &a[i]);
                           ^

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 5924 KB Output is correct
2 Correct 0 ms 5924 KB Output is correct
3 Correct 0 ms 5924 KB Output is correct
4 Correct 0 ms 5924 KB Output is correct
5 Correct 0 ms 5924 KB Output is correct
6 Correct 0 ms 5924 KB Output is correct
7 Correct 0 ms 5924 KB Output is correct
8 Correct 0 ms 5924 KB Output is correct
9 Correct 0 ms 5924 KB Output is correct
10 Correct 0 ms 5924 KB Output is correct
11 Correct 0 ms 5924 KB Output is correct
12 Correct 0 ms 5924 KB Output is correct
13 Correct 0 ms 5924 KB Output is correct
14 Correct 0 ms 5924 KB Output is correct
15 Correct 0 ms 5924 KB Output is correct
16 Correct 0 ms 5924 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 5924 KB Output is correct
2 Correct 0 ms 5924 KB Output is correct
3 Correct 0 ms 5924 KB Output is correct
4 Correct 0 ms 5924 KB Output is correct
5 Correct 0 ms 5924 KB Output is correct
6 Correct 0 ms 5924 KB Output is correct
7 Correct 0 ms 5924 KB Output is correct
8 Correct 0 ms 5924 KB Output is correct
9 Correct 0 ms 5924 KB Output is correct
10 Correct 0 ms 5924 KB Output is correct
11 Correct 0 ms 5924 KB Output is correct
12 Correct 0 ms 5924 KB Output is correct
13 Correct 0 ms 5924 KB Output is correct
14 Correct 0 ms 5924 KB Output is correct
15 Correct 0 ms 5924 KB Output is correct
16 Correct 0 ms 5924 KB Output is correct
17 Correct 0 ms 5924 KB Output is correct
18 Correct 0 ms 5924 KB Output is correct
19 Correct 0 ms 5924 KB Output is correct
20 Correct 0 ms 5924 KB Output is correct
21 Correct 0 ms 5924 KB Output is correct
22 Correct 0 ms 5924 KB Output is correct
23 Correct 0 ms 5924 KB Output is correct
24 Correct 0 ms 5924 KB Output is correct
25 Correct 0 ms 5924 KB Output is correct
26 Correct 0 ms 5924 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 5924 KB Output is correct
2 Correct 0 ms 5924 KB Output is correct
3 Correct 0 ms 5924 KB Output is correct
4 Correct 0 ms 5924 KB Output is correct
5 Correct 0 ms 5924 KB Output is correct
6 Correct 0 ms 5924 KB Output is correct
7 Correct 0 ms 5924 KB Output is correct
8 Correct 0 ms 5924 KB Output is correct
9 Correct 0 ms 5924 KB Output is correct
10 Correct 0 ms 5924 KB Output is correct
11 Correct 0 ms 5924 KB Output is correct
12 Correct 0 ms 5924 KB Output is correct
13 Correct 0 ms 5924 KB Output is correct
14 Correct 0 ms 5924 KB Output is correct
15 Correct 0 ms 5924 KB Output is correct
16 Correct 0 ms 5924 KB Output is correct
17 Correct 0 ms 5924 KB Output is correct
18 Correct 0 ms 5924 KB Output is correct
19 Correct 0 ms 5924 KB Output is correct
20 Correct 0 ms 5924 KB Output is correct
21 Correct 0 ms 5924 KB Output is correct
22 Correct 0 ms 5924 KB Output is correct
23 Correct 0 ms 5924 KB Output is correct
24 Correct 0 ms 5924 KB Output is correct
25 Correct 0 ms 5924 KB Output is correct
26 Correct 0 ms 5924 KB Output is correct
27 Correct 0 ms 5924 KB Output is correct
28 Correct 0 ms 5924 KB Output is correct
29 Correct 0 ms 5924 KB Output is correct
30 Correct 0 ms 5924 KB Output is correct
31 Correct 0 ms 5924 KB Output is correct
32 Correct 0 ms 5924 KB Output is correct
33 Correct 0 ms 5924 KB Output is correct
34 Correct 0 ms 5924 KB Output is correct
35 Correct 0 ms 5924 KB Output is correct
36 Correct 0 ms 5924 KB Output is correct
37 Correct 0 ms 5924 KB Output is correct
38 Correct 0 ms 5924 KB Output is correct

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 5924 KB Output is correct
2 Correct 0 ms 5924 KB Output is correct
3 Correct 0 ms 5924 KB Output is correct
4 Correct 0 ms 5924 KB Output is correct
5 Correct 0 ms 5924 KB Output is correct
6 Correct 0 ms 5924 KB Output is correct
7 Correct 0 ms 5924 KB Output is correct
8 Correct 0 ms 5924 KB Output is correct
9 Correct 0 ms 5924 KB Output is correct
10 Correct 0 ms 5924 KB Output is correct
11 Correct 0 ms 5924 KB Output is correct
12 Correct 0 ms 5924 KB Output is correct
13 Correct 0 ms 5924 KB Output is correct
14 Correct 0 ms 5924 KB Output is correct
15 Correct 0 ms 5924 KB Output is correct
16 Correct 0 ms 5924 KB Output is correct
17 Correct 0 ms 5924 KB Output is correct
18 Correct 0 ms 5924 KB Output is correct
19 Correct 0 ms 5924 KB Output is correct
20 Correct 0 ms 5924 KB Output is correct
21 Correct 0 ms 5924 KB Output is correct
22 Correct 0 ms 5924 KB Output is correct
23 Correct 0 ms 5924 KB Output is correct
24 Correct 0 ms 5924 KB Output is correct
25 Correct 0 ms 5924 KB Output is correct
26 Correct 0 ms 5924 KB Output is correct
27 Correct 0 ms 5924 KB Output is correct
28 Correct 0 ms 5924 KB Output is correct
29 Correct 0 ms 5924 KB Output is correct
30 Correct 0 ms 5924 KB Output is correct
31 Correct 0 ms 5924 KB Output is correct
32 Correct 0 ms 5924 KB Output is correct
33 Correct 0 ms 5924 KB Output is correct
34 Correct 0 ms 5924 KB Output is correct
35 Correct 0 ms 5924 KB Output is correct
36 Correct 0 ms 5924 KB Output is correct
37 Correct 0 ms 5924 KB Output is correct
38 Correct 0 ms 5924 KB Output is correct
39 Execution timed out 1500 ms 6452 KB Execution timed out
40 Halted 0 ms 0 KB -