mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
140 lines
3.6 KiB
C++
140 lines
3.6 KiB
C++
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#include <iostream>
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#include <cstdio>
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#include <cstring>
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using namespace std;
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#define LL(x) (x<<1)
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#define RR(x) (x<<1|1)
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#define MID(a,b) (a+((b-a)>>1))
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#define INF (1<<30)
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const int N=10000+5;
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typedef long long LL;
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struct node
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{
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int lft,rht;
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LL level,mx,flag,need;
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int mid(){return MID(lft,rht);}
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void init(){level=1;mx=0;flag=0;}
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void fun(LL valu)
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{
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mx+=level*valu;
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need-=valu;
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flag+=valu;
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}
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};
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int n,m,k;
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LL ned[12];
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struct Segtree
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{
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node tree[N*4];
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void down(int ind)
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{
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if(tree[ind].flag)
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{
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tree[LL(ind)].fun(tree[ind].flag);
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tree[RR(ind)].fun(tree[ind].flag);
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tree[ind].flag=0;
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}
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}
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void up(int ind)
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{
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tree[ind].mx=max(tree[LL(ind)].mx,tree[RR(ind)].mx);
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tree[ind].level=max(tree[LL(ind)].level,tree[RR(ind)].level);
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tree[ind].need=min(tree[LL(ind)].need,tree[RR(ind)].need);
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}
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void build(int lft,int rht,int ind)
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{
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tree[ind].lft=lft; tree[ind].rht=rht;
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tree[ind].init(); tree[ind].need=ned[2];
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if(lft!=rht)
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{
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int mid=tree[ind].mid();
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build(lft,mid,LL(ind));
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build(mid+1,rht,RR(ind));
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}
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}
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void updata(int st,int ed,int ind,int valu)
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{
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int lft=tree[ind].lft,rht=tree[ind].rht;
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if(st<=lft&&rht<=ed)
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{
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if(valu>=tree[ind].need)
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{
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if(lft==rht)
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{
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LL &now=tree[ind].level;
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tree[ind].mx+=now*valu;
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while(tree[ind].mx>=ned[now+1]) now++;
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LL tmp=ned[now+1]-tree[ind].mx;
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tree[ind].need=tmp/now+(tmp%now!=0);
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}
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else
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{
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down(ind);
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int mid=tree[ind].mid();
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if(st<=mid) updata(st,ed,LL(ind),valu);
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if(ed> mid) updata(st,ed,RR(ind),valu);
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up(ind);
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}
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}
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else
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{
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tree[ind].fun(valu);
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}
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}
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else
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{
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down(ind);
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int mid=tree[ind].mid();
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if(st<=mid) updata(st,ed,LL(ind),valu);
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if(ed> mid) updata(st,ed,RR(ind),valu);
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up(ind);
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}
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}
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LL query(int st,int ed,int ind)
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{
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int lft=tree[ind].lft,rht=tree[ind].rht;
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if(st<=lft&&rht<=ed) return tree[ind].mx;
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else
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{
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down(ind);
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int mid=tree[ind].mid();
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LL mx1=0,mx2=0;
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if(st<=mid) mx1=query(st,ed,LL(ind));
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if(ed> mid) mx2=query(st,ed,RR(ind));
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up(ind);
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return max(mx1,mx2);
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}
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}
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}seg;
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int main()
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{
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int t,t_cnt=0;
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scanf("%d",&t);
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while(t--)
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{
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scanf("%d%d%d",&n,&k,&m);
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ned[1]=0; ned[k+1]=((LL)1<<60);
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for(int i=2;i<=k;i++) scanf("%I64d",&ned[i]);
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printf("Case %d:\n",++t_cnt);
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seg.build(1,n,1);
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while(m--)
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{
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char cmd[5];
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int a,b,c;
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scanf("%s",cmd);
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if(cmd[0]=='W')
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{
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scanf("%d%d%d",&a,&b,&c);
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seg.updata(a,b,1,c);
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}
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else
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{
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scanf("%d%d",&a,&b);
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printf("%I64d\n",seg.query(a,b,1));
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}
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}
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puts("");
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}
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return 0;
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}
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