제출 #39611

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
39611		b00n0rp	원숭이와 사과 나무 (IZhO12_apple)	C++14	0 / 100	0 ms	1840 KiB

apple

/*input
6
2 1 7
2 10 12
1 7 11
2 11 13
1 8 10
1 15 17
*/		
#include<bits/stdc++.h>
using namespace std;

#define ll long long
#define int ll
#define pb push_back
#define INF 1000000000
#define MOD 1000000007
#define mp make_pair
const double PI=3.141592653589793238462643383279502884197169399375105820974944;
#define REP(i,n) for (int i = 0; i < n; i++)
#define FOR(i,a,b) for (int i = a; i < b; i++)
#define REPD(i,n) for (int i = n-1; i >= 0; i--)
#define FORD(i,a,b) for (int i = a; i >= b; i--)
#define remax(a,b) a = max(a,b)
#define remin(a,b) a = min(a,b)
#define all(v) v.begin(),v.end()
#define pii pair<int,int>
#define F first
#define S second
#define mii map<int,int>
#define vi vector<int>
#define vvi vector<vi>
#define itr :: iterator it
#define WL(t) while(t --)
#define gcd(a,b) __gcd((a),(b))
#define lcm(a,b) ((a)*(b))/gcd((a),(b))
#define print(arr) for (auto it = arr.begin(); it != arr.end(); ++it) cout << *it << " "; cout << endl;
#define debug(x) cout << x << endl;
#define debug2(x,y) cout << x << " " << y << endl;
#define debug3(x,y,z) cout << x << " " << y << " " << z << endl;

int power(int a,int b,int m = MOD){
	if(b == 0) return 1;
	if(b == 1) return a;
	int x = power(a,b/2,m)%m;
	x = (x*x)%m;
	if(b%2) return (x*a)%m;
	return x;
}

struct node{
	int l,r,xl,xr,val,lazy;
};

int SZ = 1;
node seg[20000005];

void neww(int ind){
	int mid = (seg[ind].xl+seg[ind].xr)/2;
	if(seg[ind].l == -1){
		seg[ind].l = ++SZ;
		seg[seg[ind].l].xl = seg[ind].xl;
		seg[seg[ind].l].xr = mid;
		seg[seg[ind].l].l = -1;
		seg[seg[ind].l].r = -1;
		seg[seg[ind].l].val = 0;
		seg[seg[ind].l].lazy = 0;
	} 
	if(seg[ind].r == -1){
		seg[ind].r = ++SZ;
		seg[seg[ind].r].xl = mid+1;
		seg[seg[ind].r].xr = seg[ind].xr;
		seg[seg[ind].r].l = -1;
		seg[seg[ind].r].r = -1;
		seg[seg[ind].r].val = 0;
		seg[seg[ind].r].lazy = 0;
	} 
}

void push(int ind){
	if(!seg[ind].lazy) return;
	seg[ind].val = seg[ind].xr-seg[ind].xl+1;
	if(seg[ind].val == 1) return;
	neww(ind);
	seg[seg[ind].l].lazy = seg[seg[ind].r].lazy = 1;
	seg[ind].lazy = 0;
}

void upd(int ind,int l,int r){
	// cout << ind << " " << seg[ind].xl << " " << seg[ind].xr << " " << l << " " << r << endl;
	if(r < l or seg[ind].xr < l or seg[ind].xl > r) return;
	push(ind);
	if(seg[ind].xl >= l and seg[ind].xr <= r){
		seg[ind].lazy = 1;
		push(ind);
		// cout << ind << " " << seg[ind].xl << " " << seg[ind].xr << " " << l << " " << r << " " << seg[ind].val << endl;
		return;
	}
	neww(ind);
	int mid = (seg[ind].xl+seg[ind].xr)/2;
	upd(seg[ind].l,l,r);
	upd(seg[ind].r,l,r);
	push(seg[ind].l);
	push(seg[ind].r);
	seg[ind].val = seg[seg[ind].l].val+seg[seg[ind].r].val;
	// cout << ind << " " << seg[ind].xl << " " << seg[ind].xr << " " << l << " " << r << " " << seg[ind].val << endl;
}

int quer(int ind,int l,int r){
	// cout << ind << " " << seg[ind].xl << " " << seg[ind].xr << " " << l << " " << r << endl;
	if(r < l or seg[ind].xr < l or seg[ind].xl > r) return 0;
	push(ind);
	if(seg[ind].xl >= l and seg[ind].xr <= r){
		// cout << ind << " " << seg[ind].xl << " " << seg[ind].xr << " " << l << " " << r << " " << seg[ind].val << endl;
		return seg[ind].val;
	}
	neww(ind);
	int mid = (seg[ind].xl+seg[ind].xr)/2;
	int ans = quer(seg[ind].l,l,r)+quer(seg[ind].r,l,r);
	// cout << ind << " " << seg[ind].xl << " " << seg[ind].xr << " " << l << " " << r << " " << ans << endl;
	return ans;
}

signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);

	int m,c = 0;
	cin >> m;
	seg[1] = {-1,-1,1,INF,0,0};
	WL(m){
		int d,x,y; cin >> d >> x >> y;
		x += c;
		y += c;
		// cout << d << " " << x << " " << y << endl;
		if(d == 1){
			c = quer(1,x,y);
			cout << c << endl; 
		}
		else{
			upd(1,x,y);
		}
		// cout << SZ << " ----------------------------\n";
		// FOR(i,1,11){
		// 	// int l,r,xl,xr,val,lazy;
		// 	node P = seg[i];
		// 	cout << P.l << " " << P.r << " " << P.xl << " " << P.xr << " " << P.val << " " << P.lazy << endl;
		// }
	}
}

컴파일 시 표준 에러 (stderr) 메시지

apple.cpp: In function 'void upd(long long int, long long int, long long int)':
apple.cpp:100:6: warning: unused variable 'mid' [-Wunused-variable]
  int mid = (seg[ind].xl+seg[ind].xr)/2;
      ^
apple.cpp: In function 'long long int quer(long long int, long long int, long long int)':
apple.cpp:118:6: warning: unused variable 'mid' [-Wunused-variable]
  int mid = (seg[ind].xl+seg[ind].xr)/2;
      ^

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