답안 #957967

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
957967 2024-04-04T15:09:55 Z yeediot 원숭이와 사과 나무 (IZhO12_apple) C++17
100 / 100
201 ms 202836 KB
#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

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);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 66 ms 200664 KB Output is correct
2 Correct 33 ms 200792 KB Output is correct
3 Correct 32 ms 200620 KB Output is correct
4 Correct 37 ms 200740 KB Output is correct
5 Correct 39 ms 200872 KB Output is correct
6 Correct 42 ms 201040 KB Output is correct
7 Correct 38 ms 200784 KB Output is correct
8 Correct 85 ms 200824 KB Output is correct
9 Correct 151 ms 201180 KB Output is correct
10 Correct 165 ms 201360 KB Output is correct
11 Correct 151 ms 201036 KB Output is correct
12 Correct 156 ms 201128 KB Output is correct
13 Correct 135 ms 201300 KB Output is correct
14 Correct 135 ms 201300 KB Output is correct
15 Correct 185 ms 201560 KB Output is correct
16 Correct 201 ms 202728 KB Output is correct
17 Correct 138 ms 202836 KB Output is correct
18 Correct 141 ms 202832 KB Output is correct
19 Correct 191 ms 202660 KB Output is correct
20 Correct 184 ms 202828 KB Output is correct