답안 #38739

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
38739	2018-01-06T10:54:58 Z	daniel_02	원숭이와 사과 나무 (IZhO12_apple)	C++14	100 / 100	609 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,ans;

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()
{
    cin >> 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: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

#	결과	실행 시간	메모리	Grader output
1	Correct	13 ms	122328 KB	Output is correct
2	Correct	26 ms	122328 KB	Output is correct
3	Correct	19 ms	122328 KB	Output is correct
4	Correct	53 ms	122328 KB	Output is correct
5	Correct	46 ms	122328 KB	Output is correct
6	Correct	43 ms	122328 KB	Output is correct
7	Correct	43 ms	122328 KB	Output is correct
8	Correct	229 ms	122328 KB	Output is correct
9	Correct	456 ms	122328 KB	Output is correct
10	Correct	469 ms	122328 KB	Output is correct
11	Correct	493 ms	122328 KB	Output is correct
12	Correct	426 ms	122328 KB	Output is correct
13	Correct	306 ms	122328 KB	Output is correct
14	Correct	363 ms	122328 KB	Output is correct
15	Correct	609 ms	122328 KB	Output is correct
16	Correct	536 ms	122328 KB	Output is correct
17	Correct	393 ms	122328 KB	Output is correct
18	Correct	363 ms	122328 KB	Output is correct
19	Correct	563 ms	122328 KB	Output is correct
20	Correct	523 ms	122328 KB	Output is correct