Submission #38734

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
38734	2018-01-06T10:51:25 Z	daniel_02	Monkey and Apple-trees (IZhO12_apple)	C++14	100 / 100	536 ms	122328 KB

apple

#include <bits/stdc++.h>

#define ll long long
#define OK cout << "OK" << endl;

using namespace std;

const int N = 7e6 + 7e5;
const int inf = 1e9 + 7;

struct node
{
    int sum, l, r,add;
    node()
    {
        sum = l = r = add = 0;
    }
}t[N];

int m;
int cnt = 2,c;
int ty, l, r;

void push (int v,int tl,int tr) {
    if (t[v].add != 0) {
        if (!t[v].l)
            t[v].l = cnt ++;
        if  (!t[v].r)
            t[v].r = cnt ++;

        t[t[v].l].add = 1;
        t[t[v].r].add = 1;
        t[v].sum = (tr - tl + 1);
        t[v].add = 0;
    }
}
void update(int v, int tl, int tr, int l, int r)
{
    if (tl > tr || tr < l || tl > r)
        return;

    push (v, tl, tr);

    if (tl >= l && r >= tr)
    {
        t[v].add = 1;
    }
    else
    {
        int mid = (tl + tr) >> 1;

        if (!t[v].l)
        {
            t[v].l = cnt++;
        }
        update(t[v].l, tl, mid, l, r);

        if (!t[v].r)
        {
            t[v].r = cnt++;
        }
        update(t[v].r, mid + 1, tr, l, r);

        push (v, tl, tr);
        push (t[v].l, tl, mid);
        push (t[v].r, mid + 1, tr);

        t[v].sum = t[t[v].l].sum + t[t[v].r].sum;
    }
}
int get(int v, int tl, int tr, int l, int r)
{
    if (tl > tr || tl > r || l > tr)
        return 0;

    push (v, tl, tr);

    if (tl >= l && r >= tr)
    {
        return t[v].sum;
    }
    else
    {
        int mid = (tl + tr) >> 1;

        int s1 = 0, s2 = 0;

        if (t[v].l)
        {
            s1 = get(t[v].l, tl, mid, l, r);
        }
        if (t[v].r)
        {
            s2 = get(t[v].r, mid + 1, tr, l, r);
        }

        return (s1 + s2);
    }
}
main()
{
    scanf ("%d", &m);

    while (m--)
    {
        scanf("%d", &ty);
        scanf("%d%d", &l, &r);

        l += c;
        r += c;

        if (ty == 1)
        {
            c = get(1, 1, inf, l, r);
            printf("%d\n", c);
        }
        else
        {
            update(1, 1, inf, l, r);
        }
    }
}

Compilation message

apple.cpp:100:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
apple.cpp: In function 'int main()':
apple.cpp:102:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf ("%d", &m);
                     ^
apple.cpp:106:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &ty);
                         ^
apple.cpp:107:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &l, &r);
                              ^

Subtask #1

100.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	13 ms	122328 KB	Output is correct
2	Correct	23 ms	122328 KB	Output is correct
3	Correct	16 ms	122328 KB	Output is correct
4	Correct	39 ms	122328 KB	Output is correct
5	Correct	43 ms	122328 KB	Output is correct
6	Correct	46 ms	122328 KB	Output is correct
7	Correct	49 ms	122328 KB	Output is correct
8	Correct	229 ms	122328 KB	Output is correct
9	Correct	436 ms	122328 KB	Output is correct
10	Correct	436 ms	122328 KB	Output is correct
11	Correct	419 ms	122328 KB	Output is correct
12	Correct	466 ms	122328 KB	Output is correct
13	Correct	383 ms	122328 KB	Output is correct
14	Correct	359 ms	122328 KB	Output is correct
15	Correct	536 ms	122328 KB	Output is correct
16	Correct	493 ms	122328 KB	Output is correct
17	Correct	333 ms	122328 KB	Output is correct
18	Correct	346 ms	122328 KB	Output is correct
19	Correct	536 ms	122328 KB	Output is correct
20	Correct	516 ms	122328 KB	Output is correct