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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#67223 | #5098. 第一代图灵机 | crazy_sea | 0 | 883ms | 64524kb | C++14 | 2.2kb | 2022-12-10 10:48:35 | 2022-12-10 10:48:36 |
Judging History
answer
#include<cstdio>
#include<algorithm>
#include<set>
#define ll long long
#define upb upper_bound
#define ls (now<<1)
#define rs (now<<1|1)
#define mid ((l+r)>>1)
using namespace std;
const int N=8e5+10;
int n,m,Q;
struct seg
{
ll s[N],tr[N];
int mx[N],lst[N],a[N],c[N],L,R,K;
ll getans(int l,int r,int now,int c)
{
if(l==r) return s[l]-s[max(lst[l],c)];
if(mx[ls]>c) return max(getans(l,mid,ls,c),tr[rs]);
else return max(getans(mid+1,r,rs,c),s[mid]-s[c]);
}
void init(int w,int now)
{
tr[now]=s[w]-s[w-1];
mx[now]=lst[w];
}
void update(int l,int r,int now)
{
tr[now]=max(tr[ls],getans(mid+1,r,rs,max(l-1,mx[ls])));
mx[now]=max(mx[ls],mx[rs]);
}
void build(int l,int r,int now)
{
if(l==r) {init(l,now);return;}
build(l,mid,ls),build(mid+1,r,rs);
update(l,r,now);
}
void modify(int l,int r,int now,int w)
{
if(l==r) {init(l,now);return;}
if(w<=mid) modify(l,mid,ls,w);
else modify(mid+1,r,rs,w);
update(l,r,now);
}
ll query(int l,int r,int now)
{
if(l>R||r<L) return 0;
if(L<=l&&r<=R)
{
K=max(K,mx[now]);
return getans(l,r,now,K);
}
return max(query(l,mid,ls),query(mid+1,r,rs));
}
set<int> t[N>>2];
void modify(int x,int y)
{
if(c[x]==y) return;
int z=c[x],w1=*t[z].upb(x),w2=*t[y].upb(x),w3=*(--t[y].upb(x));
c[x]=y,t[z].erase(x),t[y].insert(x);
if(w1!=n+1) lst[w1]=lst[x],modify(1,n,1,w1);
if(w2!=n+1) lst[w2]=x,modify(1,n,1,w2);
lst[x]=w3,modify(1,n,1,x);
}
void init()
{
for(int i=1;i<=n;i++) s[i]=s[i-1]+a[i],t[c[i]].insert(i);
for(int i=1;i<=m;i++) t[i].insert(0),t[i].insert(n+1);
for(int i=1;i<=n;i++) lst[i]=*(--t[c[i]].upb(i-1));
build(1,n,1);
}
ll query(int l,int r)
{
L=l,R=r,K=l-1;
return query(1,n,1);
}
}t1,t2;
int main()
{
int x,y,op;
scanf("%d%d%d",&n,&m,&Q);
for(int i=1;i<=n;i++) scanf("%d",&x),t1.a[i]=t2.a[n-i+1]=x;
for(int i=1;i<=n;i++) scanf("%d",&x),t1.c[i]=t2.c[n-i+1]=x;
t1.init(),t2.init();
while(Q--)
{
scanf("%d",&op);
if(op==1) scanf("%d%d",&x,&y),
printf("%lld\n",max(t1.query(x,y),t2.query(n-y+1,n-x+1)));
else scanf("%d%d",&x,&y),t1.modify(x,y),t2.modify(n-x+1,y);
}
}
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: 23104kb
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:
428064 136303 44845 294132 667560 53615 126242 803350 226461 65997 65135 136303 268342 661079 66425 88213 378494 176412 277635 144071 69433 587282 533499 39374 648685 467419 437547 58213 49370 75784 54682 70394 42726 1186202 384889 364365 61542 130905 359998 60947 986501 963740 65135 136904 114253 1...
result:
wrong answer 1st lines differ - expected: '118571', found: '428064'
Subtask #2:
score: 0
Wrong Answer
Test #3:
score: 0
Wrong Answer
time: 883ms
memory: 60672kb
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:
394441 802019 229042 323913 729415 1627157 2153200 592360 203242 1503001 577109 322147 678015 7176654 326113 1440417 378168 655664 1788996 473600 497166 673652 246378 319691 301985 522717 2917932 1507124 438050 314732 5370489 548820 780325 775223 627863 777515 634189 3403081 831091 565801 426251 999...
result:
wrong answer 1st lines differ - expected: '1232419', found: '394441'
Subtask #3:
score: 0
Wrong Answer
Test #5:
score: 0
Wrong Answer
time: 615ms
memory: 64524kb
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:
4243072171 1460479167 30554521 2082574765 750333254 967303100 1920624457 393724087 1241035093 38654027 125441385 547086620 937474897 619521997 1497576554 1880621346 1499148856 1179797825 3144714126 316501822 407987493 413184755 1565209203 1694960013 374831370 376018064 306512764 165942412 943937033 ...
result:
wrong answer 1st lines differ - expected: '46702944', found: '4243072171'
Subtask #4:
score: 0
Skipped
Dependency #1:
0%
Subtask #5:
score: 0
Skipped
Dependency #4:
0%