제출 #953090

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
953090		cpptowin	원숭이와 사과 나무 (IZhO12_apple)	C++17	100 / 100	398 ms	207760 KiB

apple

#include<bits/stdc++.h>
#define fo(i,d,c) for(int i=d;i<=c;i++)
#define fod(i,c,d) for(int i=c;i>=d;i--)
#define maxn 1000010
#define N 1010
#define fi first
#define se second
#define pb emplace_back
#define en cout<<"\n";
#define int long long
#define inf (int)1e18
#define pii pair<int,int>
#define vii vector<pii>
#define lb(x) x&-x
#define bit(i,j) ((i>>j)&1)
#define offbit(i,j) (i^(1<<j))
#define onbit(i,j) (i|(1<<j))
#define vi vector<int>
template <typename T1, typename T2> bool minimize(T1 &a, T2 b){if (a > b) {a = b; return true;} return false;}
template <typename T1, typename T2> bool maximize(T1 &a, T2 b){if (a < b) {a = b; return true;} return false;}
using namespace std;
const int nsqrt = 450;
const int mod = 1e9 + 7;
struct node 
{
    int val,lazy;
    node *l,*r;
    node()
    {
        val = lazy = 0;
        l = r = 0;
    }
};
node *root = new node();
void down(node *id,int l,int r)
{
    if(id -> lazy == 0) return;
    int mid = (l + r) >> 1;
    id -> l -> val = (mid - l + 1) * id -> lazy;
    id -> r -> val = (r - mid) * id -> lazy;
    id -> l -> lazy = id -> lazy;
    id -> r -> lazy = id -> lazy;
    // id -> lazy = 0;
}
void up(node *id,int l,int r,int u,int v,int val)
{
    if(l > v or r < u) return;
    if(u <= l and r <= v)
    {
        id -> val = (r - l + 1) * val;
        id -> lazy = val;
        return;
    }
    if(id -> l == NULL) id -> l = new node();
    if(id -> r == NULL) id -> r = new node();
    int mid = (l + r) >> 1;
    down(id,l,r);
    up(id -> l,l,mid,u,v,val);
    up(id -> r,mid + 1,r,u,v,val);
    id -> val = id -> l -> val + id -> r -> val;
}
int get(node *id,int l,int r,int u,int v)
{
    if(l > v or r < u) return 0;
    if(u <= l and r <= v) return id -> val;
    int mid = (l + r) >> 1;
    if(id -> l == NULL) id -> l = new node();
    if(id -> r == NULL) id -> r = new node();
    down(id,l,r);
    return get(id -> l,l,mid,u,v) + get(id -> r,mid + 1,r,u,v);
}
int q;
int t,l,r;
int c;
main()
{
    #define name "TASK"
    if(fopen(name".inp","r"))
    {
       freopen(name".inp","r",stdin);
       freopen(name".out","w",stdout);
    }
    ios_base::sync_with_stdio(false);cin.tie(NULL);
    cin >> q;
    while(q--)
    {
        cin >> t >> l >> r;
        l += c;
        r += c;
        if(t == 1)
        {
            c = get(root,1,1e9,l,r);
            cout << c;en;
        }
        else up(root,1,1e9,l,r,1);
    }
}

컴파일 시 표준 에러 (stderr) 메시지

apple.cpp:75:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   75 | main()
      | ^~~~
apple.cpp: In function 'int main()':
apple.cpp:80:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   80 |        freopen(name".inp","r",stdin);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
apple.cpp:81:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   81 |        freopen(name".out","w",stdout);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100