Submission #653572

#	Time	Username	Problem	Language	Result	Execution time	Memory
653572		amukkalir	Monkey and Apple-trees (IZhO12_apple)	C++17	0 / 100	536 ms	262144 KiB

apple

#include <bits/stdc++.h> 
using namespace std; 
 
const int nax = 1e9; 

struct node {
    node *l_child, *r_child; 
    int val; 
    node () {
        l_child=r_child=nullptr; 
        val=0; 
    }    
}; 
node *tree, *lazy; 

int m; 

void verif(node* &u) {
    if(!u) u=new node; 
}

void cek (node* &tr, node* &lz, int l, int r) {
    verif(tr); verif(lz); 
    if(lz->val==0)return;
    tr->val=r-l+1;
    if(l!=r) {
        verif(lz->l_child); lz->l_child->val = 1;
        verif(lz->r_child); lz->r_child->val = 1; 
    }
    lz->val=0; 
}
 
void upd (int fr, int to, node* &now=tree, node* &now_lazy=lazy, int l = 1, int r = nax) {    
    cek(now, now_lazy, l, r); 

    if (fr <= l && r <= to) {
        now_lazy->val = 1; 
        cek(now, now_lazy, l, r); 
    } else if (r < fr || l > to) {
        return; 
    } else {
        int m = (l+r)>>1; 
        upd(fr, to, now->l_child, now_lazy->l_child, l, m); 
        upd(fr, to, now->r_child, now_lazy->r_child, m+1,r); 
        now->val = now->l_child->val + now->r_child->val; 
    }
}
 
int get (int fr, int to, node* &now=tree, node* &now_lazy=lazy, int l = 1, int r = nax) {
    cek(now, now_lazy, l, r);     
 
    if (fr <= l && r <= to) return now->val; 
    else if (r < fr || l > to) return 0; 
    else {
        int m = (l+r)>>1; 
        return get(fr, to, now->l_child, now_lazy->l_child, l, m) + get(fr, to, now->r_child, now_lazy->r_child, m+1, r); 
    }
}
 
signed main() {    
    verif(tree); verif(lazy); 
    
    scanf("%d", &m); 
    int c = 0; 
    while (m--) {
        int d, x, y; 
        scanf("%d %d %d", &d, &x, &y); 
        x += c; y += c; 
 
        if (d == 1) {            
            int ans = get(x, y);
            c = ans;  
            printf("%d\n",ans);
        } else {
            upd(x,y); 
        }        
    }
}
 
/*
*/

Compilation message (stderr)

apple.cpp: In function 'int main()':
apple.cpp:63:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 |     scanf("%d", &m);
      |     ~~~~~^~~~~~~~~~
apple.cpp:67:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   67 |         scanf("%d %d %d", &d, &x, &y);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100