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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#882480 | #5098. 第一代图灵机 | _FJqwq | 0 | 1518ms | 201652kb | C++23 | 3.9kb | 2025-02-05 07:37:17 | 2025-02-05 07:37:18 |
Judging History
answer
#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],tot;set<int>s[N];
void ins1(int x,int y,int z){
s[x].insert(y);
auto i=s[x].find(y);auto j=i,p=i;
j++;if(i!=s[x].begin())p--;
if(i!=s[x].begin())if(j!=s[x].end()){change(1,1,q,tim[*j],z,(*p),(*j));}
if(j!=s[x].end()) tim[*j]=z;
if(i!=s[x].begin()) tim[*i]=z;
}
void del1(int x,int y,int z){
auto i=s[x].find(y);auto j=i,p=i;
j++;if(i!=s[x].begin())p--;
if(j!=s[x].end()){change(1,1,q,tim[*j],z,(*i),(*j));}
if(i!=s[x].begin()){change(1,1,q,tim[*i],z,(*p),(*i));}
if(i!=s[x].begin())if(j!=s[x].end()) tim[*j]=z;
s[x].erase(y);
}
struct node{int tag,pre;ll ans2;}tree[N*4];
void build1(int k,int l,int r){
tree[k].pre=1;
if(l==r){tree[k].ans2=maxx[k]=sum[l];return ;}
int mid=l+r>>1;
build1(ls),build1(rs);
maxx[k]=max(maxx[lc],maxx[rc]);
tree[k].ans2=max(tree[lc].ans2,tree[rc].ans2);
}
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[lc].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,p,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) printf("A"),ans=max(ans,ask1(1,1,n,ql[l],pos)-sum[ql[l]-1]);
if(pos+1<=qr[l]) ans=max(ans,ask2(1,1,n,max(ql[l],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
*/
詳細信息
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 15ms
memory: 35672kb
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:
A118571 A90725 A79596 A95154 A95154 A94493 A72411 A100567 A100567 A100567 A100567 A90725 A100567 A100567 A90725 A118571 A94493 A95154 A58191 A118571 A100567 A100567 A100567 A41164 A89208 A118571 A99923 A100567 A100567 A95724 A87252 A100567 A118571 A100567 A100567 A100567 A100567 A100567 A100567 A266...
result:
wrong answer 1st lines differ - expected: '118571', found: 'A118571'
Subtask #2:
score: 0
Wrong Answer
Test #3:
score: 0
Wrong Answer
time: 1518ms
memory: 201652kb
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:
A8768956 A7653793 A8768956 A8768956 A8768956 A8768956 A8768956 A8768956 A8768956 A8768956 A4475027 A5910916 A8768956 A8768956 A8768956 A8768956 A8123521 A6395030 A8768956 A8768956 A8768956 A8768956 A7031932 A8123521 A7056942 A7653793 A8768956 A8768956 A7653793 A7031932 A5556103 A8768956 A8768956 A70...
result:
wrong answer 1st lines differ - expected: '1232419', found: 'A8768956'
Subtask #3:
score: 0
Wrong Answer
Test #5:
score: 0
Wrong Answer
time: 386ms
memory: 165232kb
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:
A11101846442 A9585000736 A8169313164 A8893203953 A6829042365 A8786518335 A7765432179 A13521565121 A9665838393 A9928717717 A8591068889 A38402892 A10890242325 A11913744924 A6427251546 A706054731 A9018337451 A848392952 A12900125462 A10460306772 A9894675091 A7820536753 A11549888934 A13404390616 A1221832...
result:
wrong answer 1st lines differ - expected: '46702944', found: 'A11101846442'
Subtask #4:
score: 0
Skipped
Dependency #1:
0%
Subtask #5:
score: 0
Skipped
Dependency #4:
0%