Submission #957967

#	Time	Username	Problem	Language	Result	Execution time	Memory
957967		yeediot	Monkey and Apple-trees (IZhO12_apple)	C++17	100 / 100	201 ms	202836 KiB

apple

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define sz(x) (int)(x.size())
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
#define vi vector<int>
#define vp vector<pii>
#define vvi vector<vi>
#define ykh mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count())
#define __lg(x) 63-__builtin_clzll(x)
#define pow2(x) (1LL<<x)
void __print(int x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifdef local
void setio(){freopen("/Users/iantsai/Library/Mobile Documents/com~apple~CloudDocs/cpp/Empty.md","r",stdin);}
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
void setio(){}
#define debug(x...)
#endif
void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}
struct line{
    int a,b;
    int operator()(const int x)const{
        return a*x+b;
    }
};
bool check(line l1,line l2,line l3){
    return (l3.b-l2.b)*(l1.a-l2.a)<=(l2.b-l1.b)*(l2.a-l3.a);
}
struct node{
    int l,r,sum;
    bool tag;
    node():l(-1),r(-1),sum(0),tag(0){}
};
const int mxn=1e5+5;
node seg[mxn<<6];
int cnt=0;
void push(int x,int l,int r){
    if(seg[x].l==-1){
        seg[x].l=++cnt;
    }
    if(seg[x].r==-1){
        seg[x].r=++cnt;
    }
    if(l==r or seg[x].tag==0)return;
    int mm=l+r>>1;
    seg[x].tag=0;
    seg[seg[x].l].tag=seg[seg[x].r].tag=1;
    seg[seg[x].l].sum=mm-l+1;
    seg[seg[x].r].sum=r-mm;
}
void modify(int id,int l,int r,int ql,int qr){
    if(qr<l or r<ql){
        return;
    }
    if(ql<=l and r<=qr){
        seg[id].tag=1;
        seg[id].sum=r-l+1;
        return;
    }
    push(id,l,r);
    int mm=l+r>>1;
    modify(seg[id].l,l,mm,ql,qr);
    modify(seg[id].r,mm+1,r,ql,qr);
    seg[id].sum=seg[seg[id].l].sum+seg[seg[id].r].sum;
}
int query(int id,int l,int r,int ql,int qr){
    if(qr<l or r<ql){
        return 0;
    }
    if(ql<=l and r<=qr){
        return seg[id].sum;
    }
    push(id,l,r);
    int mm=l+r>>1;
    return query(seg[id].l,l,mm,ql,qr)+query(seg[id].r,mm+1,r,ql,qr);
}
signed main(){
    setio();
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    int prev=0;
    for(int i=0;i<n;i++){
        int ty,x,y;
        cin>>ty>>x>>y;
        x+=prev;
        y+=prev;
        if(ty==1){
            prev=query(0,1,1e9,x,y);
            cout<<prev<<'\n';
        }
        else{
            modify(0,1,1e9,x,y);
        }
    }
}
 /*
 input:
 
 */















 

Compilation message (stderr)

apple.cpp: In function 'void push(long long int, long long int, long long int)':
apple.cpp:70:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   70 |     int mm=l+r>>1;
      |            ~^~
apple.cpp: In function 'void modify(long long int, long long int, long long int, long long int, long long int)':
apple.cpp:86:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   86 |     int mm=l+r>>1;
      |            ~^~
apple.cpp: In function 'long long int query(long long int, long long int, long long int, long long int, long long int)':
apple.cpp:99:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   99 |     int mm=l+r>>1;
      |            ~^~
apple.cpp: In function 'void setIO(std::string)':
apple.cpp:42:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
apple.cpp:43:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100