Submission #50842

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
50842	2018-06-13 16:30:15	Nicksechko	Chessboard (IZhO18_chessboard)	C++14	100 / 100	715 ms	2300 KiB

chessboard

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const int MX = 100 * 1000 + 7;
#define y1 ak_a_kak_podnyat
int x1[MX], y1[MX], x2[MX], y2[MX];
pair<int, int> slv(int l, int r, int s) {
    if (l / s == r / s) {
        int b = l / s;
        if (b & 1) {
            return {0, r - l + 1};
        } else {
            return {r - l + 1, 0};
        }
    } else {
        pair<int, int> a(0, 0);
        int nl = l - l % s + s, nr = r - r % s - 1;
        if ((l / s) % 2 == 0) {
            a.first += nl - l;
        } else {
            a.second += nl - l;
        }
        if ((r / s) % 2 == 0) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

chessboard.cpp: In function 'int main()':
chessboard.cpp:72:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~~
chessboard.cpp:74:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d %d", &x1[i], &y1[i], &x2[i], &y2[i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 8 / 8
• Subtask 3: 15 / 15
• Subtask 4: 16 / 16
• Subtask 5: 23 / 23
• Subtask 6: 30 / 30