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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#882280 | #5098. 第一代图灵机 | _FJqwq | 0 | 1309ms | 207496kb | C++23 | 3.8kb | 2025-02-04 23:08:49 | 2025-02-04 23:08:50 |
Judging History
answer
// by wkc
#pragma target("avx512f,sse2,sse3,sse4,sse4.2")
#include<bits/stdc++.h>
using namespace std;
#define ll long long
const ll N=250005,M=5000005,inf=1e18;
int n,m,q,a[N],col[N],ql[N],qr[N];
ll sum[N],maxx[N*4];
#define lc k<<1
#define rc k<<1|1
#define ls lc,l,mid
#define rs rc,mid+1,r
struct T{int x,y;};vector<T>v[N*4];
void change(int k,int l,int r,int x,int y,int v1,int v2){
if(x<=l&&r<=y){
v[k].push_back(T{v1+1,v2});
return ;
}
int mid=l+r>>1;
if(x<=mid) change(ls,x,y,v1,v2);
if(mid<y) change(rs,x,y,v1,v2);
}
int tim[N*4],tot,id[N];set<int>s[N];
void ins1(int x,int y,int z){
auto i=s[x].find(y);auto j=i,p=i;
j++;if(j!=s[x].end()){++tot;id[*j]=tot;tim[tot]=z;}
if(i!=s[x].begin()){p--;++tot;id[*i]=tot;tim[tot]=z;}
}
void del1(int x,int y,int z){
auto i=s[x].find(y);auto j=i,p=i;
j++;if(j!=s[x].end()){change(1,1,q,tim[id[*j]],z,(*i),(*j));}
if(i!=s[x].begin()){p--;change(1,1,q,tim[id[*i]],z,(*p),(*i));}
}
struct node{int tag,pre;ll ans2;}tree[N*4];
void build1(int k,int l,int r){
tree[k].pre=1,tree[k].ans2=-inf;
if(l==r){maxx[k]=sum[l];return ;}
int mid=l+r>>1;
build1(ls),build1(rs);
maxx[k]=max(maxx[lc],maxx[rc]);
}
ll ask1(int k,int l,int r,int x,int y){
if(x<=l&&r<=y) return maxx[k];
int mid=l+r>>1;
if(x<=mid&&mid<y) return max(ask1(ls,x,y),ask1(rs,x,y));
if(x<=mid) return ask1(ls,x,y);
return ask1(rs,x,y);
}
int top;struct A{int p;node w;}stk[M];
void pushdown(int k){
stk[++top]=A{lc,tree[lc]};
stk[++top]=A{rc,tree[rc]};
if(tree[k].tag){
tree[lc].pre=tree[rc].pre=tree[k].tag;
tree[lc].tag=tree[rc].tag=tree[k].tag;
tree[lc].ans2=maxx[lc]-sum[tree[k].tag-1];
tree[rc].ans2=maxx[rc]-sum[tree[k].tag-1];
tree[k].tag=0;
}
}
void pushup(int k){
tree[k].pre=max(tree[lc].pre,tree[rc].pre);
tree[k].ans2=max(tree[lc].ans2,tree[rc].ans2);}
int ask(int k,int l,int r,int d){
stk[++top]=A{k,tree[k]};
if(l==r) return l+(tree[k].pre<=d);
int mid=l+r>>1;
pushdown(k);
if(tree[k].pre<=d) return ask(rs,d);
return ask(ls,d);
}
void change2(int k,int l,int r,int x,int y,int d){
stk[++top]=A{k,tree[k]};
if(x<=l&&r<=y){
tree[k].tag=tree[k].pre=d;
tree[k].ans2=maxx[k]-sum[d-1];
return ;
}
int mid=l+r>>1;
pushdown(k);
if(x<=mid) change2(ls,x,y,d);
if(mid<y) change2(rs,x,y,d);
pushup(k);
}
ll ask2(int k,int l,int r,int x,int y){
stk[++top]=A{k,tree[k]};
if(x<=l&&r<=y) return tree[k].ans2;
int mid=l+r>>1;
pushdown(k);
if(x<=mid&&mid<y) return max(ask2(ls,x,y),ask2(rs,x,y));
if(x<=mid) return ask2(ls,x,y);
return ask2(rs,x,y);
}
void work(int k,int l,int r){
int las=top,p;
// printf("%d %d %d\n",k,l,r);
for(T e:v[k]){
// printf(":::%d %d\n",e.x,e.y);
p=ask(1,1,n,e.x)-1;
if(e.y<=p) change2(1,1,n,e.y,n,e.x);
}
if(l==r){
if(ql[l]!=0){
int pos;ll ans=0;
pos=ask(1,1,n,ql[l])-1;
if(ql[l]<=pos) ans=max(ans,ask1(1,1,n,ql[l],pos)-sum[ql[l]-1]);
// printf("::%d %d %d %d\n",pos,ql[l],ask1(1,1,n,ql[l],pos),sum[ql[l]-1]);
if(pos+1<=qr[l]) ans=max(ans,ask2(1,1,n,pos+1,qr[l]));
printf("%lld\n",ans);
}
}
else{
int mid=l+r>>1;
work(ls);
work(rs);
}
while(top>las){
tree[stk[top].p]=stk[top].w;
top--;
}
}
int main(){
scanf("%d%d%d",&n,&m,&q);
for(int i=1;i<=n;i++) scanf("%d",&a[i]);
for(int i=1;i<=n;i++) sum[i]=sum[i-1]+a[i];
for(int i=1;i<=n;i++) scanf("%d",&col[i]);
for(int i=1;i<=n;i++) s[col[i]].insert(i);
for(int i=1;i<=n;i++) ins1(col[i],i,1);
for(int i=1,op,x,y;i<=q;i++){
scanf("%d%d%d",&op,&x,&y);
if(op==2){
del1(col[x],x,i);
s[col[x]].erase(x);
col[x]=y;
s[col[x]].insert(x);
ins1(col[x],x,i);
}
else ql[i]=x,qr[i]=y;
}
for(int i=1;i<=n;i++) del1(col[i],i,q);
build1(1,1,n);
work(1,1,q);
return 0;
}
/*
3 3 3
20 4 6
1 1 2
*/
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 15ms
memory: 40644kb
input:
5000 200 5000 2315 3433 1793 4621 4627 4561 289 4399 3822 2392 392 4581 2643 2441 4572 4649 2981 3094 4206 2057 761 2516 2849 3509 3033 658 4965 3316 3269 4284 4961 753 1187 2515 1377 1725 4743 4761 3823 3464 4859 989 2401 953 875 1481 2181 103 2067 2625 3296 4721 61 3843 1607 997 4385 1284 4299 441...
output:
3735625 4936863 760056 4520505 4520505 3112480 2457337 4936863 4577550 4577550 6124109 9714640 6356459 9235284 9207116 2334869 3420201 1931872 4480713 4244292 5049080 6196688 6147224 4873773 1865324 7258345 1534298 2670456 2114927 1361937 1589678 2121187 3117761 3117761 3031284 2114927 3117761 27435...
result:
wrong answer 1st lines differ - expected: '118571', found: '3735625'
Subtask #2:
score: 0
Wrong Answer
Test #3:
score: 0
Wrong Answer
time: 1309ms
memory: 207496kb
input:
200000 10 200000 55651 97298 108697 86619 60721 199951 10610 162267 154301 138848 39191 18605 101369 57073 34977 101576 71252 143401 89587 160521 166491 38442 150761 35579 25571 121311 38033 38483 144639 41401 179161 54872 157905 137601 46863 187656 171901 43715 41036 150741 69057 102031 130561 4772...
output:
3013089490 2383849311 3013089490 3013089490 3302908158 4849680906 4883029600 3013089490 3013089490 4143581152 675252789 2383849311 3013089490 4178645734 3013089490 3013089490 4883029600 3313107301 3013089490 3013089490 4657789943 2383849311 2345197614 4004571217 3013089490 2383849311 3461793652 2383...
result:
wrong answer 1st lines differ - expected: '1232419', found: '3013089490'
Subtask #3:
score: 0
Wrong Answer
Test #5:
score: 0
Wrong Answer
time: 397ms
memory: 169528kb
input:
200000 20000 200000 30681 32496 35471 48191 159123 69792 120915 150673 187226 158493 36275 26856 107976 124777 145229 69745 183961 14497 144808 153612 185893 137681 66417 46802 19345 113322 168046 128149 191001 135433 13201 139214 59489 81178 42343 163158 110121 119201 97501 53079 158755 192241 1132...
output:
7356460895 16239438811 4423927617 5147818406 3083656818 14427286642 4020046632 9996990545 16239438811 6183332170 4845683342 16239438811 7144856778 15166927963 16239438811 16239438811 5272951904 16239438811 16239438811 6714921225 15928368281 11244573672 7804503387 9659005069 13411855817 5102833909 16...
result:
wrong answer 1st lines differ - expected: '46702944', found: '7356460895'
Subtask #4:
score: 0
Skipped
Dependency #1:
0%
Subtask #5:
score: 0
Skipped
Dependency #4:
0%