QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#818563 | #9302. Caesar Cipher | ericmegalovania# | AC ✓ | 933ms | 99028kb | C++20 | 4.4kb | 2024-12-17 22:07:09 | 2024-12-17 22:07:13 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
//#define ONLINE
#ifndef ONLINE
char DEBUG_BUFFER[1000];
#define debug(...) {sprintf(DEBUG_BUFFER,##__VA_ARGS__);\
cerr<<"\033[1;36m"<<DEBUG_BUFFER<<"\033[0;2m"<<"\033[0m";}
#else
#define debug(...) ;
#endif
using LL=long long;
using PII=pair<int,int>;
#define all(x) (x).begin(),(x).end()
#define allr(x) (x).rbegin(),(x).rend()
#define FAST_IO {ios::sync_with_stdio(false);cin.tie(nullptr);}
inline int read(){static int x; cin>>x; return x;}
inline LL readLL(){static LL x; cin>>x; return x;}
mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count());
#define N 500010
using ALH=array<LL,2>;//array-LL-Hash
namespace HC{//Hash Const
const int P[2]={13331,233};
const int MOD[2]={(int)(1e9+7),998244353};
LL ksm[N][2],sum[N][2];
void init(){
for(int j=0;j<2;j++){
ksm[0][j]=1,sum[0][j]=1;
for(int i=1;i<N;i++){
ksm[i][j]=(ksm[i-1][j]*P[j])%MOD[j];
sum[i][j]=(sum[i-1][j]+ksm[i][j])%MOD[j];
}
}
}
}
ALH operator <<(const ALH& A,const int& len){
static ALH ret;
for(int i=0;i<2;i++){
ret[i]=(A[i]*HC::ksm[len][i])%HC::MOD[i];
}
return ret;
}
ALH operator +(const ALH& A,const ALH& B){
static ALH ret;
for(int i=0;i<2;i++){
ret[i]=(A[i]+B[i])%HC::MOD[i];
}
return ret;
}
ALH operator -(const ALH& A,const ALH& B){
static ALH ret;
for(int i=0;i<2;i++){
ret[i]=((A[i]-B[i])%HC::MOD[i]+HC::MOD[i])%HC::MOD[i];
}
return ret;
}
ALH operator *(const ALH& A,const ALH& B){
static ALH ret;
for(int i=0;i<2;i++){
ret[i]=A[i]*B[i]%HC::MOD[i];
}
return ret;
}
ALH calc(const int& x,LL b){
static ALH res;
for(int i=0;i<2;i++){
res[i]=(HC::sum[b][i]*x)%HC::MOD[i];
}
return res;
}
#define ls (id<<1)
#define rs (id<<1|1)
class SGT{//以线段树维护区间最大值为例,支持区间修改
private:
struct Node{
int l,r;
int mx,tag;
ALH v;
friend Node operator +(const Node& A,const Node& B){
Node ret;
ret.l=A.l,ret.r=B.r;
ret.mx=max(A.mx,B.mx);
ret.tag=0;
ret.v=(A.v<<(B.r-B.l+1))+B.v;
return ret;
}
};
vector<Node>q;
void UPD(int id,const int& x){
q[id].mx+=x,q[id].tag+=x;
q[id].v=q[id].v+calc(x,q[id].r-q[id].l);
}
void spread(int id){
if(q[id].l==q[id].r) return;
//spread the lazy tag
if(q[id].tag){
UPD(ls,q[id].tag);
UPD(rs,q[id].tag);
q[id].tag=0;
}
}
void build(const vector<int>& a,int l,int r,int id=1){
if(l==r){
q[id].l=l,q[id].r=r;
q[id].mx=a[l],q[id].tag=0;
q[id].v=ALH{a[l],a[l]};
return;
}
int mid=l+r>>1;
build(a,l,mid,ls);
build(a,mid+1,r,rs);
q[id]=q[ls]+q[rs];
}
public:
SGT(const vector<int>& a,int n){
init(a,n);
}
void init(const vector<int>& a,int n){
q.resize(n*5);
build(a,1,n);
}
void modify(int l,int r,int id=1){
if(q[id].l==l && q[id].r==r){
//modify the value
UPD(id,1);
return;
}
spread(id);
int mid=q[id].l+q[id].r>>1;
if(r<=mid) modify(l,r,ls);
else if(l>mid) modify(l,r,rs);
else modify(l,mid,ls),modify(mid+1,r,rs);
q[id]=q[ls]+q[rs];
}
void adjust(int l,int r,int id=1){
if(q[id].mx<=65536) return;
if(l==r){
q[id].mx=1,q[id].tag=0;
q[id].v=ALH{1,1};
return;
}
spread(id);
int mid=q[id].l+q[id].r>>1;
adjust(l,mid,ls);
adjust(mid+1,r,rs);
q[id]=q[ls]+q[rs];
}
Node query(int l,int r,int id=1){
if(q[id].l==l && q[id].r==r) return q[id];
spread(id);
int mid=q[id].l+q[id].r>>1;
if(r<=mid) return query(l,r,ls);
else if(l>mid) return query(l,r,rs);
return query(l,mid,ls)+query(mid+1,r,rs);
}
// int get(int pos,int id=1){
// if(q[id].l==q[id].r) return q[id].mx;
// spread(id);
// int mid=q[id].l+q[id].r>>1;
// if(pos<=mid) return get(pos,ls);
// return get(pos,rs);
// }
};
#undef ls
#undef rs
int main(){
FAST_IO;
HC::init(); //初始化
int n=read(),T=read();
vector<int>a(n+1); //[1,65536]
for(int i=1;i<=n;i++){
a[i]=read()+1;
}
SGT sgt(a,n);
for(int op,x,y;T--;){
cin>>op>>x>>y;
if(op==1){
sgt.modify(x,y);
sgt.adjust(1,n);
}
else{
static int len;
cin>>len;
cout<<(sgt.query(x,x+len-1).v==sgt.query(y,y+len-1).v?
"yes":"no")<<'\n';
}
}
return 0;
}
/* stuff you should look for
* int overflow, array bounds
* special cases (n=1?)
* do smth instead of nothing and stay organized
* WRITE STUFF DOWN
* DON'T GET STUCK ON ONE APPROACH
*/
这程序好像有点Bug,我给组数据试试?
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 4ms
memory: 19176kb
input:
5 6 1 2 1 2 1 2 1 2 2 2 1 3 3 1 1 1 1 3 5 2 1 2 4 2 1 2 2
output:
no yes no yes
result:
ok 4 token(s): yes count is 2, no count is 2
Test #2:
score: 0
Accepted
time: 8ms
memory: 19140kb
input:
3 3 0 65535 65535 2 1 2 2 1 2 3 2 1 2 2
output:
no yes
result:
ok 2 token(s): yes count is 1, no count is 1
Test #3:
score: 0
Accepted
time: 4ms
memory: 19376kb
input:
1000 1000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes ...
result:
ok 1000 token(s): yes count is 1000, no count is 0
Test #4:
score: 0
Accepted
time: 123ms
memory: 34916kb
input:
100000 100000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes ...
result:
ok 100000 token(s): yes count is 100000, no count is 0
Test #5:
score: 0
Accepted
time: 933ms
memory: 98884kb
input:
500000 500000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes ...
result:
ok 500000 token(s): yes count is 500000, no count is 0
Test #6:
score: 0
Accepted
time: 764ms
memory: 98904kb
input:
500000 500000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes ...
result:
ok 500000 token(s): yes count is 500000, no count is 0
Test #7:
score: 0
Accepted
time: 792ms
memory: 98884kb
input:
500000 500000 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 6553...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes no no no yes yes yes yes yes yes yes yes yes yes yes yes yes no yes ...
result:
ok 500000 token(s): yes count is 449947, no count is 50053
Test #8:
score: 0
Accepted
time: 897ms
memory: 98904kb
input:
500000 500000 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 4999...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes no yes yes yes yes yes yes yes yes yes yes yes yes yes no yes yes yes yes yes no yes yes yes yes yes yes yes yes yes no yes no yes y...
result:
ok 251941 token(s): yes count is 226844, no count is 25097
Test #9:
score: 0
Accepted
time: 856ms
memory: 99028kb
input:
500000 500000 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 ...
output:
no no no no no no no no yes no no yes no no no no no no no no no no yes yes no no yes no no yes no no no yes no no no no no no no yes no no no no no no no no no no yes no no no no no no yes no no yes no no no no no no no no no yes no no no no no no no no no no no yes yes no no no yes no no no no yes...
result:
ok 251981 token(s): yes count is 32353, no count is 219628
Test #10:
score: 0
Accepted
time: 896ms
memory: 98832kb
input:
500000 500000 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 6553...
output:
yes yes yes yes no no no yes yes yes yes yes yes yes yes yes yes yes yes yes yes no yes no yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes no yes yes yes yes yes yes no yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes no ...
result:
ok 251952 token(s): yes count is 227079, no count is 24873
Test #11:
score: 0
Accepted
time: 919ms
memory: 98824kb
input:
500000 500000 2 1 2 3 1 2 3 2 3 3 3 2 3 2 2 3 3 1 1 2 1 1 3 1 2 2 1 2 1 2 3 1 1 3 2 2 3 3 3 1 3 1 2 3 3 3 3 1 1 3 1 1 3 2 2 3 1 3 1 2 1 1 1 3 2 1 1 2 3 1 3 3 1 3 2 2 3 3 2 3 2 1 3 2 3 3 2 3 1 1 2 1 3 3 3 2 1 2 1 1 1 1 3 1 3 1 1 3 2 1 3 2 1 1 3 3 1 3 1 3 1 2 2 1 1 1 2 2 1 1 1 3 3 1 2 3 3 2 1 3 3 1 2 ...
output:
no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no yes no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no...
result:
ok 251970 token(s): yes count is 4568, no count is 247402
Test #12:
score: 0
Accepted
time: 20ms
memory: 64072kb
input:
282544 1 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 0 1...
output:
no
result:
ok NO
Extra Test:
score: 0
Extra Test Passed