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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#74820 | #5098. 第一代图灵机 | Bronya | 0 | 497ms | 36840kb | C++14 | 2.1kb | 2023-02-04 10:04:42 | 2023-02-04 10:04:45 |
Judging History
answer
#include<bits/stdc++.h>
#define lson rt<<1
#define rson rt<<1|1
using namespace std;
int n,m,q;
int a[200005],c[200005];
long long sum[200005];
struct Seg{
int ma;
long long ans;
}t[200005<<2];
long long Find(int l,int r,int lim,int rt){
if(l==r)return sum[l]-sum[max(t[rt].ma,lim)-1];
int mid=l+r>>1;
if(t[lson].ma>=lim)return max(Find(l,mid,lim,lson),t[rt].ans);
return max(Find(mid+1,r,lim,rson),sum[mid]-sum[lim-1]);
}
long long calc(int l,int r,int L,int R,int &lim,int rt){
int mid=l+r>>1;
long long ans=0;
if(l>=L&&r<=R){
ans=Find(l,r,lim,1);
lim=max(lim,t[rt].ma);
return ans;
}
if(mid>=L)ans=max(calc(l,mid,L,R,lim,lson),ans);
if(mid<R)ans=max(calc(mid+1,r,L,R,lim,rson),ans);
return ans;
}
void modify(int l,int r,int d,int s,int rt){
if(d<l||d>r)return;
if(l==r){
t[rt].ma=s;
t[rt].ans=sum[l]-sum[s-1];
return;
}
int mid=l+r>>1;
if(mid>=d)modify(l,mid,d,s,lson);
else modify(mid+1,r,d,s,rson);
t[rt].ma=max(t[lson].ma,t[rson].ma);
t[rt].ans=Find(mid+1,r,t[lson].ma,rson);
}
int last[200005];
void build(int l,int r,int rt){
if(l==r){
t[rt].ma=last[l];
t[rt].ans=sum[l]-sum[last[l]-1];
return;
}
int mid=l+r>>1;
build(l,mid,lson);
build(mid+1,r,rson);
t[rt].ma=max(t[lson].ma,t[rson].ma);
t[rt].ans=Find(mid+1,r,t[lson].ma,rson);
}
set<int>st[200005];
int main(){
scanf("%d%d%d",&n,&m,&q);
for(int i=1;i<=n;i++)scanf("%d",&a[i]),sum[i]=sum[i-1]+a[i];
for(int i=1;i<=m;i++)st[i].insert(0),st[i].insert(n+1);
for(int i=1;i<=n;i++){
scanf("%d",&c[i]);
st[c[i]].insert(i);
auto It=prev(st[c[i]].lower_bound(i));
last[i]=(*It)+1;
}
build(1,n,1);
for(int i=1;i<=q;i++){
int opt,x,y;
scanf("%d%d%d",&opt,&x,&y);
if(opt==1)printf("%lld\n",calc(1,n,x,y,x,1));
else {
auto It=st[c[x]].lower_bound(x);
int u=*prev(It),v=*next(It);
modify(1,n,v,u+1,1);
st[c[x]].erase(It);
c[x]=y;
st[c[x]].insert(x);
auto it=st[c[x]].lower_bound(x);
u=*prev(it),v=*next(it);
modify(1,n,v,x+1,1);modify(1,n,x,u+1,1);
}
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 7ms
memory: 16704kb
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:
1614189 827701 118571 1156355 963263 549956 118571 536513 827701 827701 963263 827701 1614189 799926 118571 664223 278414 176735 132348 1156355 827701 1590163 1614189 118571 277150 1614189 118571 799926 536513 118571 309558 409387 1614189 1614189 827701 536513 1614189 799926 1614189 85598 1614189 11...
result:
wrong answer 1st lines differ - expected: '118571', found: '1614189'
Subtask #2:
score: 0
Wrong Answer
Test #3:
score: 0
Wrong Answer
time: 497ms
memory: 34728kb
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:
2502433464 397669560 776867863 1556635758 2502433464 2502433464 2502433464 2502433464 776867863 2502433464 8686701 140756262 1251199327 2502433464 2502433464 2502433464 1863309895 272741841 2502433464 2502433464 1251199327 938063021 156187672 1091596202 856121448 470499563 2502433464 938063021 62006...
result:
wrong answer 1st lines differ - expected: '1232419', found: '2502433464'
Subtask #3:
score: 0
Wrong Answer
Test #5:
score: 0
Wrong Answer
time: 366ms
memory: 36840kb
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:
645988069 2503247284 191148736 341686080 123710202 1270177029 491324750 1270177029 2503247284 341686080 42801975 271671537 251917570 2503247284 2503247284 949228863 645988069 949228863 2503247284 645988069 2503247284 962467511 324310141 46702944 1270177029 341686080 2503247284 85327694 1270177029 12...
result:
wrong answer 1st lines differ - expected: '46702944', found: '645988069'
Subtask #4:
score: 0
Skipped
Dependency #1:
0%
Subtask #5:
score: 0
Skipped
Dependency #4:
0%