Submission #649563

#	Time	Username	Problem	Language	Result	Execution time	Memory
649563		lalala56	Monkey and Apple-trees (IZhO12_apple)	C++14	0 / 100	389 ms	262144 KiB

apple

#include<bits/stdc++.h>
using namespace std;
const int M=1e9,N=1e5+9;
struct Node{
    int sum,la,l,r,sl,sr;
    Node(): sum(0),la(0),l(-1),r(-1){}
};
Node ST[64*N];
int n,c,cnt=2;
void tao(int id,int m){
    //cout<<m<<'\n';
    if(ST[id].l==-1){
        ST[id].l=cnt++;
        ST[ST[id].l].sl=ST[id].sl;
        ST[ST[id].l].sr=m;
    }
    if(ST[id].r==-1){
        ST[id].r=cnt++;
        ST[ST[id].r].sl=m+1;
        ST[ST[id].r].sr=ST[id].sr;
    }
}
void down(int id){
    if(ST[id].la){
        ST[id].sum=ST[id].sr-ST[id].sl+1;
        int m=(ST[id].sl+ST[id].sr)/2;
        tao(id,m);
        ST[ST[id].l].la=ST[ST[id].r].la=1;
        ST[id].la=0;        
    }
}
void upd(int id,int l,int r){
    //cout<<id<<" "<<ST[id].sl<<" "<<ST[id].sr<<'\n';
    down(id);
    if(l==ST[id].sl&&r==ST[id].sr){
        //ST[id].sum=ST[id].sr-ST[id].sl+1;
        ST[id].la=1;
        down(id);
        return;
        
    }
    down(id);
    int m=(ST[id].sl+ST[id].sr)/2;
    tao(id,m);
    if(l>m)upd(ST[id].r,l,r);
    else if(r<=m)upd(ST[id].l,l,r);
    else{
        upd(ST[id].l,l,m);
        upd(ST[id].r,m+1,r);
    }
    down(ST[id].l);
    down(ST[id].r);
    ST[id].sum=ST[ST[id].l].sum+ST[ST[id].r].sum;
}
int findd(int id,int l,int r){
    down(id);
    if(l==ST[id].sl&&r==ST[id].sr)return ST[id].sum;
    
    int m=(ST[id].sl+ST[id].sr)/2;
    tao(id,m);
    if(l>m)return findd(ST[id].r,l,r);
    else if(r<=m)return findd(ST[id].l,l,r);
    else return findd(ST[id].l,l,m)+findd(ST[id].r,m+1,r);
}
void giai(){
    cin>>n;
    int k,x,y;
    c=0;
    ST[1].sum=0;ST[1].la=0;
    ST[1].sl=1;ST[1].sr=M;
    while(n--){
        cin>>k>>x>>y;
        if(k==1){
            c=findd(1,x+c,y+c);
            cout<<c<<'\n';
        }
        else upd(1,x+c,y+c);
       // cout<<"L\n";
    }
}
int main(){
    if(fopen("solve.inp","r")){
        freopen("solve.inp","r",stdin);
        freopen("solve.out","w",stdout);
    }
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    giai();
}

Compilation message (stderr)

apple.cpp: In function 'int main()':
apple.cpp:83:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   83 |         freopen("solve.inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
apple.cpp:84:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   84 |         freopen("solve.out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100