Submission #523637

# Submission time Handle Problem Language Result Execution time Memory
523637 2022-02-08T02:30:22 Z tmn2005 Monkey and Apple-trees (IZhO12_apple) C++17
100 / 100
323 ms 121064 KB
#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 = 0,r = 0,sum = 0,add = 0;
        //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

apple.cpp: In function 'int main()':
apple.cpp:79:15: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   79 |         scanf ("%d", &n);
      |         ~~~~~~^~~~~~~~~~
apple.cpp:82:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   82 |                 scanf ("%d%d%d", &type,&x,&y);
      |                 ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 304 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 12 ms 3012 KB Output is correct
5 Correct 15 ms 3636 KB Output is correct
6 Correct 15 ms 3532 KB Output is correct
7 Correct 15 ms 3632 KB Output is correct
8 Correct 103 ms 26052 KB Output is correct
9 Correct 234 ms 45252 KB Output is correct
10 Correct 224 ms 49832 KB Output is correct
11 Correct 241 ms 53784 KB Output is correct
12 Correct 237 ms 55156 KB Output is correct
13 Correct 214 ms 63836 KB Output is correct
14 Correct 220 ms 64580 KB Output is correct
15 Correct 294 ms 117672 KB Output is correct
16 Correct 310 ms 118420 KB Output is correct
17 Correct 218 ms 66628 KB Output is correct
18 Correct 228 ms 66708 KB Output is correct
19 Correct 304 ms 120992 KB Output is correct
20 Correct 323 ms 121064 KB Output is correct