oj.uz

Submission #668317

# Submission time Handle Problem Language Result Execution time Memory
668317 2022-12-03T15:30:43 Z finn__ Gap (APIO16_gap) C++17
100 / 100
 60 ms 1192 KB 
#include <bits/stdc++.h>
#include "gap.h"
using namespace std;

long long findGap(int T, int n)
{
    switch (T)
    {
    case 1:
    {
        long long a, b, x, y, max_d = 0;
        MinMax(0, 1e18, &a, &b);
        size_t num_examined = 2;

        if (num_examined == n)
            max_d = max(max_d, b - a);

        while (num_examined < n)
        {
            if (num_examined == n - 1)
            {
                MinMax(a + 1, b, &x, &y);
                num_examined++;
            }
            else
            {
                MinMax(a + 1, b - 1, &x, &y);
                num_examined += 2;
            }

            max_d = max(max_d, max(x - a, b - y));

            a = x;
            b = y;

            if (num_examined == n)
                max_d = max(max_d, y - x);
        }

        return max_d;
    }
    case 2:
    {
        long long a, b;
        MinMax(0, 1e18, &a, &b);
        long long const l = (b - a + n - 2) / (n - 1), x_max = b;

        long long last = a, max_d = l;

        for (size_t i = a; i < x_max; i += l + 1)
        {
            MinMax(i, i + l, &a, &b);
            if (a != -1)
            {
                max_d = max(max_d, a - last);
                last = b;
            }
        }
        return max_d;
    }
    }
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:15:26: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   15 |         if (num_examined == n)
      |             ~~~~~~~~~~~~~^~~~
gap.cpp:18:29: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |         while (num_examined < n)
      |                ~~~~~~~~~~~~~^~~
gap.cpp:20:30: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |             if (num_examined == n - 1)
      |                 ~~~~~~~~~~~~~^~~~~~~~
gap.cpp:36:30: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |             if (num_examined == n)
      |                 ~~~~~~~~~~~~~^~~~
gap.cpp:50:30: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'const long long int' [-Wsign-compare]
   50 |         for (size_t i = a; i < x_max; i += l + 1)
      |                            ~~^~~~~~~
gap.cpp:62:1: warning: control reaches end of non-void function [-Wreturn-type]
   62 | }
      | ^

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 9 ms 524 KB Output is correct
17 Correct 11 ms 464 KB Output is correct
18 Correct 9 ms 432 KB Output is correct
19 Correct 11 ms 464 KB Output is correct
20 Correct 8 ms 592 KB Output is correct
21 Correct 35 ms 1112 KB Output is correct
22 Correct 36 ms 1188 KB Output is correct
23 Correct 41 ms 1084 KB Output is correct
24 Correct 36 ms 1080 KB Output is correct
25 Correct 32 ms 1060 KB Output is correct
26 Correct 35 ms 1060 KB Output is correct
27 Correct 35 ms 1084 KB Output is correct
28 Correct 35 ms 1008 KB Output is correct
29 Correct 42 ms 1024 KB Output is correct
30 Correct 26 ms 976 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct

Subtask #2
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 13 ms 524 KB Output is correct
17 Correct 13 ms 432 KB Output is correct
18 Correct 14 ms 444 KB Output is correct
19 Correct 12 ms 512 KB Output is correct
20 Correct 6 ms 464 KB Output is correct
21 Correct 50 ms 968 KB Output is correct
22 Correct 52 ms 1084 KB Output is correct
23 Correct 57 ms 1080 KB Output is correct
24 Correct 49 ms 1096 KB Output is correct
25 Correct 51 ms 976 KB Output is correct
26 Correct 50 ms 1084 KB Output is correct
27 Correct 49 ms 1084 KB Output is correct
28 Correct 53 ms 1192 KB Output is correct
29 Correct 60 ms 1076 KB Output is correct
30 Correct 26 ms 976 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct