QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#592066 | #8229. 栈 | Azusa | 0 | 0ms | 0kb | C++14 | 4.0kb | 2024-09-26 20:28:19 | 2024-09-26 20:28:19 |
answer
#include<bits/stdc++.h>
#define rep(i,a,n) for(int i=(a);i<=(n);++i)
#define per(i,a,n) for(int i=(n);i>=(a);--i)
#define SZ(x) ((int)(x).size())
using namespace std;
typedef double db;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const int maxn=1e5+10;
inline void rd(){};
template<typename T1,typename ...T2>
inline void rd(T1 &x,T2 &...rest){
bool w=1; x=0; char ch=getchar();
while(!isdigit(ch)){w^=(ch=='-');ch=getchar();}
while(isdigit(ch)){x=(x<<3)+(x<<1)+(ch^48);ch=getchar();}
w?0:x=-x;
rd(rest...);
}
template<typename T>
inline void pr(T x,bool op=false){
x<0?x=-x,putchar('-'):0;
static short sta[25],top(0);
do sta[top++]=x%10,x/=10; while(x);
while(top) putchar(sta[--top]|48);
op?putchar('\n'):putchar(' ');
}
int n,m;
vector<array<ll,3>> event[maxn],q[maxn];
ll res[maxn];
namespace sgt{
ll leftcnt[maxn<<2],leftsum[maxn<<2],sum[maxn<<2],cnt[maxn<<2],right[maxn<<2];
inline pll up(int p,int l,int r,ll v){ //fi leftcnt se sum
// printf("up=%d %d %d\n",p,l,r);
if(cnt[p]<=v) return make_pair(0,0);
if(l==r){
return make_pair(cnt[p]-v,(cnt[p]-v)*(sum[p]/cnt[p]));
}
int mid=(l+r)>>1;
if(v<=cnt[p<<1|1]){
pll t=up(p<<1|1,mid+1,r,v);
return make_pair(leftcnt[p]+t.first,leftsum[p]+t.second);
}
else return up(p<<1,l,mid,v-cnt[p<<1|1]+right[p<<1|1]);
}
inline void upd(int p,int l,int r,int x,ll c,ll v){
// printf("upd=%d %d %d\n",p,l,r);
if(l==r){
if(!v) right[p]+=c;
else cnt[p]+=c,sum[p]+=c*v;
return;
}
int mid=(l+r)>>1;
if(x<=mid) upd(p<<1,l,mid,x,c,v);
else upd(p<<1|1,mid+1,r,x,c,v);
pll t=up(p<<1,l,mid,right[p<<1|1]);
leftcnt[p]=t.first; leftsum[p]=t.second;
sum[p]=leftsum[p]+sum[p<<1|1];
cnt[p]=leftcnt[p]+cnt[p<<1|1];
right[p]=right[p<<1]+right[p<<1|1]-(cnt[p<<1]-leftcnt[p]);
// printf("-->%d %lld %lld %lld %lld\n",p,leftcnt[p],sum[p],cnt[p],right[p]);
}
inline pll calc(int p,int l,int r,int ql,int qr,ll v){//when right=v,[ql,qr]->cnt and right
if(ql<=l && r<=qr) return make_pair(max(cnt[p]-v,0ll),right[p]+max(v-cnt[p],0ll));
int mid=(l+r)>>1;
if(qr<=mid) return calc(p<<1,l,mid,ql,qr,v);
if(ql>mid) return calc(p<<1|1,mid+1,r,ql,qr,v);
pll res=calc(p<<1|1,mid+1,r,ql,qr,v);
pll t=calc(p<<1,l,mid,ql,qr,res.second);
return make_pair(res.first+t.first,t.second);
}
inline ll qry(int p,int l,int r,int x,ll c,ll v){//when right=v,[1,x]->前c个数的sum
// printf("qry=%d %d %d %lld %lld\n",p,l,r,c,v);
if(!c) return 0;
if(l==r){
return min(c,max(cnt[p]-v,0ll))*(sum[p]/cnt[p]);
}
int mid=(l+r)>>1;
if(x>=r){
if(v>=cnt[p<<1|1]) return qry(p<<1,l,mid,x,c,v-cnt[p<<1|1]+right[p<<1|1]);
else return leftcnt[p]>=c ? qry(p<<1,l,mid,x,c,right[p<<1|1]): leftsum[p]+qry(p<<1|1,mid+1,r,x,c-leftcnt[p],v);
}
if(x<=mid) return qry(p<<1,l,mid,x,c,v);
else{
pll t1=calc(p<<1|1,mid+1,r,1,x,v);
pll t2=calc(p<<1,l,mid,1,x,t1.second);
return qry(p<<1,l,mid,x,min(c,t2.first),t1.second)+qry(p<<1|1,mid+1,r,x,max(c-t2.first,0ll),v);
}
}
};
using namespace sgt;
inline void solve(){
rd(n,m);
rep(i,1,m){
int opt,l,r;
ll x,y;
rd(opt); res[i]=-1;
if(opt==1){
rd(l,r,x,y);
event[l].push_back({i,x,y});
event[r+1].push_back({i,-x,y});
}
if(opt==2){
rd(l,r,x);
event[l].push_back({i,x,0});
event[r+1].push_back({i,-x,0});
}
if(opt==3){
rd(x,l,r);
q[x].push_back({i,l,r});
}
}
rep(i,1,n){
for(auto [id,x,y]:event[i]){
// printf("%d %lld %lld %lld %lld\n",i,opt,id,x,y);
upd(1,1,m,id,x,y);
}
for(auto [id,x,y]:q[i]){
pll t=calc(1,1,m,1,id,0);
if(t.first<x){
res[id]=0;
continue;
}
res[id]=qry(1,1,m,id,min(y,t.first),0)-qry(1,1,m,id,x-1,0);
// printf("?%lld %lld %lld %lld\n",id,x-1,min(y,t.first),res[id]);
}
}
rep(i,1,m)
if(~res[i])
pr(res[i],1);
}
signed main(){
freopen("air.in","r",stdin);
freopen("air.out","w",stdout);
int _=1;
//scanf("%d",&_);
while(_--) solve();
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 0
Dangerous Syscalls
Test #1:
score: 0
Dangerous Syscalls
input:
4907 4910 2 763 3330 1 3 307 1 1 1 2262 3430 22699 89397 1 1915 4000 51541 67587 2 212 2990 9763 2 1086 2162 1 2 1813 4496 16760 1 51 2796 68005 99390 1 1267 1519 74236 66178 3 1768 23808 54314 2 900 4122 27758 3 3287 17350 28989 2 3277 4024 3633 2 444 4866 1 2 353 4219 1061 1 987 3141 99906 17320 2...
output:
result:
Subtask #2:
score: 0
Dangerous Syscalls
Test #6:
score: 0
Dangerous Syscalls
input:
99999 99998 1 5026 18575 27178 90423 3 30623 1 1 3 76936 1 1 1 77021 95683 84664 24734 1 46085 74886 40512 11266 3 5048 8594 22468 1 53318 77721 97151 70784 1 70645 91192 37556 13013 1 56752 56940 91812 62887 1 7928 34576 87339 69404 3 74875 32807 100970 3 22338 17221 25771 3 21421 20602 57957 3 717...
output:
result:
Subtask #3:
score: 0
Dangerous Syscalls
Test #12:
score: 0
Dangerous Syscalls
input:
100000 99993 1 47773 70467 16065 1 2 52349 78446 2304 3 40821 1 1 1 40216 93069 78144 1 1 41089 43671 76025 1 2 35263 68629 31066 3 79881 13534 57327 3 5556 1 1 2 21962 38192 1 1 664 58116 9417 1 3 28089 6039 7989 2 88500 90302 9946 3 63215 49410 60770 2 11069 89527 57581 2 70303 97603 12363 1 3420 ...
output:
result:
Subtask #4:
score: 0
Dangerous Syscalls
Test #17:
score: 0
Dangerous Syscalls
input:
99999 99996 3 77889 1 10000000000 1 6316 86327 89644 386 3 9260 1 10000000000 2 2603 47234 69717 2 20260 73011 19290 2 62477 81233 26127 1 50140 68508 37004 98794 2 14449 22788 16063 1 43860 84932 50375 21777 1 67345 94584 28202 66610 2 661 68654 1 1 14411 94422 82738 61196 1 16563 94416 4920 38408 ...
output:
result:
Subtask #5:
score: 0
Skipped
Dependency #1:
0%