QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#67322 | #5098. 第一代图灵机 | crazy_sea | 0 | 986ms | 71660kb | C++14 | 2.2kb | 2022-12-10 11:46:49 | 2022-12-10 11:46:52 |
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],tr1[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),tr1[now]);
else return max(getans(mid+1,r,rs,c),s[mid]-s[c]);
}
void init(int w,int now)
{
tr[now]=s[w]-s[lst[w]];
mx[now]=lst[w];
}
void update(int l,int r,int now)
{
tr1[now]=getans(mid+1,r,rs,mx[ls]);
tr[now]=max(tr[ls],tr1[now]);
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)
{
ll s=getans(l,r,now,K);
K=max(K,mx[now]);
return s;
}
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);
}
}
詳細信息
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 7ms
memory: 27112kb
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 402328 667560 628229 631912 803350 226461 210951 222019 136303 906095 661079 96641 1189273 818244 304232 277635 144071 1253911 587282 533499 39374 648685 467419 437547 102096 244579 294828 501619 83427 42726 1186202 459079 364365 701570 466602 359998 60947 1770070 1562495 182379 ...
result:
wrong answer 1st lines differ - expected: '118571', found: '428064'
Subtask #2:
score: 0
Wrong Answer
Test #3:
score: 0
Wrong Answer
time: 986ms
memory: 67076kb
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:
540380 1425989 871101 323913 729415 1627157 4612047 592360 2615196 1503001 577109 322147 1576307 7176654 326113 1440417 1036974 1058438 1788996 473600 1386019 673652 366022 1126507 2540938 1313667 2917932 1507124 438050 314732 5370489 1467955 780325 2457145 2124159 1111202 823787 3403081 831091 1119...
result:
wrong answer 1st lines differ - expected: '1232419', found: '540380'
Subtask #3:
score: 0
Wrong Answer
Test #5:
score: 0
Wrong Answer
time: 695ms
memory: 71660kb
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 931158568 2082574765 750333254 9534839833 1920624457 6476878769 2613354590 947390860 125441385 547086620 937474897 1655645026 1497576554 1880621346 1499148856 2889489926 3144714126 4642609744 407987493 413184755 1578832124 1694960013 801823540 939754008 306512764 165942412 9439...
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%