Submission #38717

#	Time	Username	Problem	Language	Result	Execution time	Memory
38717		Talant	Monkey and Apple-trees (IZhO12_apple)	C++14	100 / 100	603 ms	122328 KiB

apple

#include <bits/stdc++.h>

#define fr first
#define sc second
#define OK puts("OK");
#define pb push_back
#define mk make_pair

using namespace std;

typedef long long ll;

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

int n;
int type,x,y,c;
int cnt = 1;

struct node {
        int l,r,sum,add;
        node () {
                l = r = add = sum = 0;
        }
}t[N];
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 = t[v].add;
                t[t[v].r].add = t[v].add;
                t[v].sum = (tr - tl + 1);
        }
        t[v].add = 0;
}
void update (int l,int r,int v = 1,int tl = 1,int tr = 1e9 + 7) {
        if (tl > r || tr < l)
                return;
        if (t[v].add != 0)
                push (v,tl,tr);

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

              if (t[v].l == 0)
                        t[v].l = ++cnt;
              if (t[v].r == 0)
                        t[v].r = ++cnt;

              update (l,r,t[v].l,tl,tm);
              update (l,r,t[v].r,tm + 1,tr);

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

              t[v].sum = t[t[v].l].sum + t[t[v].r].sum;
        }
}
int get (int l,int r,int v = 1,int tl = 1,int tr = 1e9 + 7) {
        if (tl > r || tr < l)
                return 0;
        push (v,tl,tr);

        if (l <= tl && tr <= r)
                return t[v].sum;

        int tm = (tl + tr) >> 1;

        return get (l,r,t[v].l,tl,tm) + get(l,r,t[v].r,tm + 1,tr);
}
int main () {
        scanf ("%d", &n);

        for (int i = 1; i <= n; i ++) {
                scanf ("%d%d%d", &type,&x,&y);
                x += c;
                y += c;

                if (type == 1) {
                        c = get(x,y);
                        printf("%d\n", c);
                }
                else {
                        update (x,y);
                }
        }
}

Compilation message (stderr)

apple.cpp: In function 'int main()':
apple.cpp:79:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf ("%d", &n);
                         ^
apple.cpp:82:46: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
                 scanf ("%d%d%d", &type,&x,&y);
                                              ^

• Subtask 1: 100 / 100