Red Huang

Red Huang

Codeforces Round #179 (Div. 2) C. Greg and Array

利用兩個線段樹更新即可

雖然不是正解 速度有待加強,不過練練線段樹也不錯

//  
//        GGGGGGGGGGGGG        CCCCCCCCCCCCC               AAA  
//     GGG::::::::::::G     CCC::::::::::::C              A:::A  
//   GG:::::::::::::::G   CC:::::::::::::::C             A:::::A  
//  G:::::GGGGGGGG::::G  C:::::CCCCCCCC::::C            A:::::::A  
// G:::::G       GGGGGG C:::::C       CCCCCC           A:::::::::A  
//G:::::G              C:::::C                        A:::::A:::::A  
//G:::::G              C:::::C                       A:::::A A:::::A  
//G:::::G    GGGGGGGGGGC:::::C                      A:::::A   A:::::A  
//G:::::G    G::::::::GC:::::C                     A:::::A     A:::::A  
//G:::::G    GGGGG::::GC:::::C                    A:::::AAAAAAAAA:::::A  
//G:::::G        G::::GC:::::C                   A:::::::::::::::::::::A  
// G:::::G       G::::G C:::::C       CCCCCC    A:::::AAAAAAAAAAAAA:::::A  
//  G:::::GGGGGGGG::::G  C:::::CCCCCCCC::::C   A:::::A             A:::::A  
//   GG:::::::::::::::G   CC:::::::::::::::C  A:::::A               A:::::A  
//     GGG::::::GGG:::G     CCC::::::::::::C A:::::A                 A:::::A  
//        GGGGGG   GGGG        CCCCCCCCCCCCCAAAAAAA                   AAAAAAA  
#include <iostream>  
#include <cstdio>  
#include <cstring>  
#include <algorithm>  
#include <cmath>  
#include <climits>  
#include <vector>  
#include <set>  
#include <map>  
#include <queue>  
#include <cctype>  
#include <utility>  
#include <ctime>  
using namespace std;  
#ifdef DEBUG  
#define VAR(a,b) decltype(b) a=(b)  
#define debug(...) printf("DEBUG: "),printf(\_\_VA\_ARGS\_\_)  
#define gettime() end\_time=clock();printf("now running time is %.7f\\n",(float)(end\_time - start\_time)/CLOCKS\_PER\_SEC);  
#else  
#define VAR(a,b) \_\_typeof(b) a=(b)  
#define debug(...)  
#define gettime()  
#endif  
typedef unsigned int uint;  
typedef long long int Int;  
typedef unsigned long long int UInt;  
#define Set(a,s) memset(a,s,sizeof(a))  
#define Write(w) freopen(w,"w",stdout)  
#define Read(r) freopen(r,"r",stdin)  
#define Pln() printf("\\n")  
#define I\_de(x,n)for(int i=0;i<n;i++)printf("%d ",x\[i\]);Pln()  
#define De(x)printf(#x"%d\\n",x)  
#define For(i,x)for(int i=0;i<x;i++)  
#define CON(x,y) x##y  
#define Pmz(dp,nx,ny)for(int hty=0;hty<ny;hty++){for(int htx=0;htx<nx;htx++){\\  
    printf("%d ",dp\[htx\]\[hty\]);}Pln();}  
#define M 100005  
#define PII pair<int,int\>  
#define PB push\_back  
#define oo INT\_MAX  
#define Set\_oo 0x3f  
#define FOR(a,b) for(VAR(a,(b).begin());a!=(b).end();++a)  
#define eps 1e-6  
#define X first  
#define Y second  
clock\_t start\_time=clock(), end\_time;  
bool xdy(double x,double y){return x>y+eps;}  
bool xddy(double x,double y){return x>y-eps;}  
bool xcy(double x,double y){return x<y-eps;}  
bool xcdy(double x,double y){return x<y+eps;}  
int min3(int x,int y,int z){  
    int tmp=min(x,y);  
    return min(tmp,z);  
}  
int max3(int x,int y,int z){  
    int tmp=max(x,y);  
    return max(tmp,z);  
}  
#define lson(x) (x<<1)  
#define rson(x) (x<<1|1)  
struct tree{  
    Int v\[M\*4\];  
    int mode;  
    tree(){  
        Set(v,0);  
        mode=0;  
    }  
    void init(){  
        Set(v,0);  
        mode=0;  
    }  
    void push\_down(int index){  
        v\[lson(index)\]+=v\[index\];  
        v\[rson(index)\]+=v\[index\];  
        v\[index\]=0;  
    }  
    void update(int index,int l,int r,int bl,int br,Int add){  
        if(l<=bl&&br<=r){  
            v\[index\]+=add;  
            return ;  
        }  
        push\_down(index);  
        int mid=(br+bl)>>1;  
        if(r<=mid){  
            update(lson(index),l,r,bl,mid,add);  
        }else if(l>mid){  
            update(rson(index),l,r,mid+1,br,add);  
        }else{  
            update(lson(index),l,mid,bl,mid,add);  
            update(rson(index),mid+1,r,mid+1,br,add);  
        }  
    }  
    void query(int index,int bl,int br,Int a\[\]){  
        if(bl==br){  
            if(mode){  
                a\[bl\]=a\[bl\]\*v\[index\];  
            }else a\[bl\]+=v\[index\];  
            return;  
        }  
        push\_down(index);  
        int mid=(bl+br)>>1;  
        query(lson(index),bl,mid,a);  
        query(rson(index),mid+1,br,a);  
  
    }  
};  
int n,m,k;  
int l\[M\],r\[M\];  
Int d\[M\];  
Int a\[M\];  
tree instree,anstree;  
int main() {  
    ios\_base::sync\_with\_stdio(0);  
    while(~scanf("%d%d%d",&n,&m,&k)){  
        instree.init();  
        anstree.init();  
        for(int i=1;i<=n;i++)scanf("%I64d",&a\[i\]);  
        for(int i=1;i<=m;i++){  
            scanf("%d%d%I64d",&l\[i\],&r\[i\],&d\[i\]);  
//            instree.update(1,i,i,1,m,1);  
        }  
        for(int i=0;i<k;i++){  
            int x,y;  
            scanf("%d%d",&x,&y);  
            instree.update(1,x,y,1,m,1);  
        }  
        instree.mode=1;  
        instree.query(1,1,m,d);  
        for(int i=1;i<=m;i++){  
//            debug("%I64d\\n",d\[i\]);  
            anstree.update(1,l\[i\],r\[i\],1,n,d\[i\]);  
        }  
        anstree.query(1,1,n,a);  
        for(int i=1;i<=n;i++)printf("%I64d ",a\[i\]);  
        Pln();  
    }  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
}  
  

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