답안 #957966

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
957966 2024-04-04T15:09:31 Z yeediot 원숭이와 사과 나무 (IZhO12_apple) C++17
0 / 100
203 ms 205500 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<<5];
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 49 ms 100432 KB Output is correct
2 Correct 16 ms 100440 KB Output is correct
3 Correct 16 ms 100440 KB Output is correct
4 Correct 22 ms 100700 KB Output is correct
5 Correct 25 ms 100692 KB Output is correct
6 Correct 23 ms 100696 KB Output is correct
7 Correct 23 ms 100660 KB Output is correct
8 Correct 69 ms 101320 KB Output is correct
9 Correct 135 ms 102228 KB Output is correct
10 Correct 141 ms 102084 KB Output is correct
11 Correct 134 ms 102228 KB Output is correct
12 Correct 138 ms 102100 KB Output is correct
13 Correct 126 ms 102480 KB Output is correct
14 Correct 124 ms 102808 KB Output is correct
15 Runtime error 203 ms 205500 KB Execution killed with signal 11
16 Halted 0 ms 0 KB -