oj.uz

Submission #93131

# Submission time Handle Problem Language Result Execution time Memory
93131 2019-01-06T14:55:26 Z SamAnd Chessboard (IZhO18_chessboard) C++17
47 / 100
 2000 ms 3488 KB 
#include <iostream>
#include <cstdio>
using namespace std;
#define m_p make_pair
const int N = 100005;
struct ban
{
    long long x, y;
    ban(){}
    ban(long long x, long long y)
    {
        this->x = x;
        this->y = y;
    }
};

long long n;

int m;
pair<ban, ban> a[N];

bool vv;
bool sevv(long long x, long long y, long long t)
{
    x = x / t;
    y = y / t;
    if ((x + y) % 2 == 0)
    {
        if (vv)
            return true;
        else
            return false;
    }
    else
    {
        if (vv)
            return false;
        else
            return true;
    }
}

long long sev(const pair<ban, ban>& a, long long t)
{
    long long x1 = a.first.x;
    long long y1 = a.first.y;
    long long x2 = a.second.x;
    long long y2 = a.second.y;
    if (x1 == 0 && y1 == 1 && x2 == 0 && y2 == 1 && t == 3)
        cout << "";
    long long xm1 = (x1 / t + 1) * t;
    if (x1 % t == 0)
        xm1 = x1;
    long long xm2 = (x2 / t) * t - 1;
    if (x2 % t == t - 1)
        xm2 = x2;
    long long ym1 = (y1 / t + 1) * t;
    if (y1 % t == 0)
        ym1 = y1;
    long long ym2 = (y2 / t) * t - 1;
    if (y2 % t == t - 1)
        ym2 = y2;

    long long ans = 0;
    long long xx = 0;

    if (xm1 - xm2 == t + 1)
    {
        if (sevv(x1, y1, t))
            xx = (x2 - x1 + 1);
        goto kovx;
    }
    // x1; xm1 - 1
    if (sevv(x1, y1, t))
        xx += (xm1 - x1);
    // xm1; xm2
    if (sevv(xm1, y1, t))
        xx += ((((xm2 - xm1 + 1) / t) / 2) * t);
    else
        xx += ((((xm2 - xm1 + 1) / t) - (((xm2 - xm1 + 1) / t) / 2)) * t);
    // xm2 + 1; x2
    if (sevv(xm2 + 1, y1, t))
        xx += (x2 - xm2);

    kovx:

    if (ym1 - ym2 == t + 1)
    {
        ans = (xx * (y2 - y1 + 1));
        goto kovy;
    }
    // y1; ym1 - 1
    if (sevv(x1, y1, t))
        ans += ((ym1 - y1) * xx);
    // ym1; ym2
    ans += ((((ym2 - ym1 + 1) / t) / 2) * xx * t);
    ans += ((((ym2 - ym1 + 1) / t) - (((ym2 - ym1 + 1) / t) / 2)) * ((x2 - x1 + 1) - xx) * t);
    // ym2 + 1; y2
    if (sevv(x1, y1, t) == sevv(x1, y2, t))
        ans += ((y2 - ym2) * xx);
    else
        ans += ((y2 - ym2) * ((x2 - x1 + 1) - xx));

    kovy:

    return ans;
}

long long spi(const pair<ban, ban>& a, long long t)
{
    long long x1 = a.first.x;
    long long y1 = a.first.y;
    long long x2 = a.second.x;
    long long y2 = a.second.y;
    return (x2 - x1 + 1) * (y2 - y1 + 1) - sev(a, t);
}

long long ans;
void stg(long long t)
{
    vv = true;
    long long yans = 0;
    long long g = 0;
    for (int i = 0; i < m; ++i)
    {
        yans += (spi(a[i], t));
        g += (sev(a[i], t));
    }
    yans += (sev(m_p(ban(0, 0), ban(n - 1, n - 1)), t) - g);
    ans = min(ans, yans);
    vv = false;
    yans = 0;
    g = 0;
    for (int i = 0; i < m; ++i)
    {
        yans += (spi(a[i], t));
        g += (sev(a[i], t));
    }
    yans += (sev(m_p(ban(0, 0), ban(n - 1, n - 1)), t) - g);
    ans = min(ans, yans);
}

int main()
{
    //freopen("input2.txt", "r", stdin);
    //cin >> n >> m;
    scanf("%d%d", &n, &m);
    for (int i = 0; i < m; ++i)
    {
        scanf("%d%d%d%d", &a[i].first.x, &a[i].first.y, &a[i].second.x, &a[i].second.y);
        --a[i].first.x;
        --a[i].first.y;
        --a[i].second.x;
        --a[i].second.y;
    }
    ans = n * n;
    for (long long i = 1; i * i <= n; ++i)
    {
        if (n % i == 0)
        {
            if (i != n)
                stg(i);
            if (n / i != n)
                stg(n / i);
        }
    }
    cout << ans << endl;
    return 0;
}

Compilation message

chessboard.cpp: In function 'int main()':
chessboard.cpp:147:25: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
     scanf("%d%d", &n, &m);
                   ~~    ^
chessboard.cpp:150:87: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
         scanf("%d%d%d%d", &a[i].first.x, &a[i].first.y, &a[i].second.x, &a[i].second.y);
                           ~~~~~~~~~~~~~                                               ^
chessboard.cpp:150:87: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]
chessboard.cpp:150:87: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'long long int*' [-Wformat=]
chessboard.cpp:150:87: warning: format '%d' expects argument of type 'int*', but argument 5 has type 'long long int*' [-Wformat=]
chessboard.cpp:147:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~
chessboard.cpp:150:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d%d", &a[i].first.x, &a[i].first.y, &a[i].second.x, &a[i].second.y);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 2196 KB Output is correct
2 Correct 14 ms 888 KB Output is correct
3 Correct 33 ms 1532 KB Output is correct
4 Correct 36 ms 1784 KB Output is correct
5 Correct 44 ms 2040 KB Output is correct
6 Correct 29 ms 1376 KB Output is correct
7 Correct 7 ms 504 KB Output is correct
8 Correct 29 ms 1528 KB Output is correct
9 Correct 73 ms 3128 KB Output is correct
10 Correct 40 ms 1912 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 4 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 4 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 4 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 4 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 36 ms 1272 KB Output is correct
17 Correct 61 ms 2936 KB Output is correct
18 Correct 119 ms 3488 KB Output is correct
19 Correct 609 ms 3124 KB Output is correct
20 Correct 676 ms 3448 KB Output is correct
21 Correct 60 ms 2936 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 96 ms 1784 KB Output is correct
24 Correct 109 ms 3192 KB Output is correct
25 Correct 20 ms 632 KB Output is correct
26 Correct 71 ms 2168 KB Output is correct
27 Correct 125 ms 2524 KB Output is correct
28 Correct 128 ms 3320 KB Output is correct
29 Correct 26 ms 1400 KB Output is correct
30 Correct 5 ms 376 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 2196 KB Output is correct
2 Correct 14 ms 888 KB Output is correct
3 Correct 33 ms 1532 KB Output is correct
4 Correct 36 ms 1784 KB Output is correct
5 Correct 44 ms 2040 KB Output is correct
6 Correct 29 ms 1376 KB Output is correct
7 Correct 7 ms 504 KB Output is correct
8 Correct 29 ms 1528 KB Output is correct
9 Correct 73 ms 3128 KB Output is correct
10 Correct 40 ms 1912 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 4 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 4 ms 376 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 3 ms 376 KB Output is correct
26 Correct 36 ms 1272 KB Output is correct
27 Correct 61 ms 2936 KB Output is correct
28 Correct 119 ms 3488 KB Output is correct
29 Correct 609 ms 3124 KB Output is correct
30 Correct 676 ms 3448 KB Output is correct
31 Correct 60 ms 2936 KB Output is correct
32 Correct 3 ms 376 KB Output is correct
33 Correct 96 ms 1784 KB Output is correct
34 Correct 109 ms 3192 KB Output is correct
35 Correct 20 ms 632 KB Output is correct
36 Correct 71 ms 2168 KB Output is correct
37 Correct 125 ms 2524 KB Output is correct
38 Correct 128 ms 3320 KB Output is correct
39 Correct 26 ms 1400 KB Output is correct
40 Correct 5 ms 376 KB Output is correct
41 Correct 473 ms 3064 KB Output is correct
42 Correct 113 ms 3196 KB Output is correct
43 Correct 258 ms 2936 KB Output is correct
44 Correct 126 ms 3192 KB Output is correct
45 Correct 81 ms 3448 KB Output is correct
46 Correct 526 ms 3268 KB Output is correct
47 Correct 70 ms 2936 KB Output is correct
48 Correct 182 ms 3192 KB Output is correct
49 Correct 107 ms 2936 KB Output is correct
50 Execution timed out 2048 ms 3192 KB Time limit exceeded
51 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 51 ms 2196 KB Output is correct
10 Correct 14 ms 888 KB Output is correct
11 Correct 33 ms 1532 KB Output is correct
12 Correct 36 ms 1784 KB Output is correct
13 Correct 44 ms 2040 KB Output is correct
14 Correct 29 ms 1376 KB Output is correct
15 Correct 7 ms 504 KB Output is correct
16 Correct 29 ms 1528 KB Output is correct
17 Correct 73 ms 3128 KB Output is correct
18 Correct 40 ms 1912 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 4 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 3 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 4 ms 376 KB Output is correct
32 Correct 3 ms 376 KB Output is correct
33 Correct 3 ms 376 KB Output is correct
34 Correct 36 ms 1272 KB Output is correct
35 Correct 61 ms 2936 KB Output is correct
36 Correct 119 ms 3488 KB Output is correct
37 Correct 609 ms 3124 KB Output is correct
38 Correct 676 ms 3448 KB Output is correct
39 Correct 60 ms 2936 KB Output is correct
40 Correct 3 ms 376 KB Output is correct
41 Correct 96 ms 1784 KB Output is correct
42 Correct 109 ms 3192 KB Output is correct
43 Correct 20 ms 632 KB Output is correct
44 Correct 71 ms 2168 KB Output is correct
45 Correct 125 ms 2524 KB Output is correct
46 Correct 128 ms 3320 KB Output is correct
47 Correct 26 ms 1400 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 473 ms 3064 KB Output is correct
50 Correct 113 ms 3196 KB Output is correct
51 Correct 258 ms 2936 KB Output is correct
52 Correct 126 ms 3192 KB Output is correct
53 Correct 81 ms 3448 KB Output is correct
54 Correct 526 ms 3268 KB Output is correct
55 Correct 70 ms 2936 KB Output is correct
56 Correct 182 ms 3192 KB Output is correct
57 Correct 107 ms 2936 KB Output is correct
58 Execution timed out 2048 ms 3192 KB Time limit exceeded
59 Halted 0 ms 0 KB -