Submission #405159

# Submission time Handle Problem Language Result Execution time Memory
405159 2021-05-15T19:35:17 Z Falcon Money (IZhO17_money) C++17
100 / 100
1272 ms 65892 KB
#include <bits/stdc++.h>

#ifdef DEBUG
#include "debug.hpp"
#endif

using namespace std;

#define all(c)              (c).begin(), (c).end()
#define rall(c)             (c).rbegin(), (c).rend()
#define traverse(c, it)     for(auto it = (c).begin(); it != (c).end(); ++it)
#define rep(i, N)           for(int i = 0; i < (N); ++i)
#define rrep(i, N)          for(int i = (N) - 1; i >= 0; --i)
#define rep1(i, N)          for(int i = 1; i <= (N); ++i)
#define rep2(i, s, e)       for(int i = (s); i <= (e); ++i)

#ifdef DEBUG
#define debug(x...)         { \
                            ++dbg::depth; \
                            string dbg_vals = dbg::to_string(x); \
                            --dbg::depth; \
                            dbg::fprint(__func__, __LINE__, #x, dbg_vals); \
                            }

#define light_debug(x)      { \
                            dbg::light = true; \
                            dbg::dout << __func__ << ":" << __LINE__; \
                            dbg::dout << "  " << #x << " = " << x << endl; \
                            dbg::light = false; \
                            }

#else
#define debug(x...)         42
#define light_debug(x)      42
#endif


using ll = long long;

template<typename T>
inline T& ckmin(T& a, T b) { return a = a > b ? b : a; }

template<typename T>
inline T& ckmax(T& a, T b) { return a = a < b ? b : a; }

class fenwick_tree {
        
};

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n; cin >> n;
    vector<int> a(n); rep(i, n) cin >> a[i];
    reverse(all(a)); rep(i, n) a[i] = 1000000 - a[i];
    map<int, int> m;
    vector<int> x(n), y(n);
    rrep(i, n) {
        auto p = m.lower_bound(a[i]);
        x[i] = p == m.end() ? n : p->second;
        p = m.upper_bound(a[i]);
        y[i] = p == m.end() ? n : p->second;
        m[a[i]] = i;
    }

    debug(a, x, y);

    int c{};
    for(int i{}; i < n;) {
        int j{i};
        ++c;
        while(j + 1 < n && a[j + 1] == a[i]) ++j;
        if(j + 1 == y[j]) {
            ++j;
            while(j + 1 < n && j + 1 == x[j]) ++j;
        }
        debug(i, j);
        i = j + 1;
    }

    cout << c << '\n';
    
    
    #ifdef DEBUG
    dbg::dout << "\nExecution time: "
              << clock() * 1000 / CLOCKS_PER_SEC 
              << "ms" << endl;
    #endif
    return 0;
}

Compilation message

money.cpp: In function 'int main()':
money.cpp:33:29: warning: statement has no effect [-Wunused-value]
   33 | #define debug(x...)         42
      |                             ^~
money.cpp:67:5: note: in expansion of macro 'debug'
   67 |     debug(a, x, y);
      |     ^~~~~
money.cpp:33:29: warning: statement has no effect [-Wunused-value]
   33 | #define debug(x...)         42
      |                             ^~
money.cpp:78:9: note: in expansion of macro 'debug'
   78 |         debug(i, j);
      |         ^~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 1 ms 312 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 1 ms 312 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 312 KB Output is correct
19 Correct 1 ms 304 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 308 KB Output is correct
22 Correct 1 ms 312 KB Output is correct
23 Correct 1 ms 308 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 1 ms 312 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 312 KB Output is correct
19 Correct 1 ms 304 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 308 KB Output is correct
22 Correct 1 ms 312 KB Output is correct
23 Correct 1 ms 308 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 312 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 316 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 1 ms 312 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 312 KB Output is correct
19 Correct 1 ms 304 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 308 KB Output is correct
22 Correct 1 ms 312 KB Output is correct
23 Correct 1 ms 308 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 312 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 316 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 71 ms 9084 KB Output is correct
40 Correct 119 ms 14896 KB Output is correct
41 Correct 56 ms 7364 KB Output is correct
42 Correct 59 ms 6624 KB Output is correct
43 Correct 40 ms 4696 KB Output is correct
44 Correct 146 ms 18756 KB Output is correct
45 Correct 141 ms 18664 KB Output is correct
46 Correct 144 ms 18884 KB Output is correct
47 Correct 129 ms 18800 KB Output is correct
48 Correct 135 ms 18792 KB Output is correct
49 Correct 575 ms 37340 KB Output is correct
50 Correct 569 ms 37324 KB Output is correct
51 Correct 577 ms 37460 KB Output is correct
52 Correct 569 ms 37192 KB Output is correct
53 Correct 558 ms 37288 KB Output is correct
54 Correct 567 ms 37320 KB Output is correct
55 Correct 1230 ms 65680 KB Output is correct
56 Correct 1272 ms 65892 KB Output is correct
57 Correct 1230 ms 65832 KB Output is correct
58 Correct 1264 ms 65668 KB Output is correct
59 Correct 1259 ms 65836 KB Output is correct
60 Correct 1248 ms 65844 KB Output is correct
61 Correct 1215 ms 65672 KB Output is correct
62 Correct 1264 ms 65720 KB Output is correct