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 |
---|---|---|---|---|---|---|---|---|---|
#657346 | #2788. Horses | Pioneer# | 17 | 1286ms | 48680kb | C++20 | 2.7kb | 2024-10-19 14:36:57 | 2024-10-19 14:36:58 |
Judging History
answer
#include "horses.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const ll inf=1e9;
const int mod=1e9+7;
const int MAX=5e5+10;
struct segtree{
int t[4*MAX];
bool mark[4*MAX];
segtree(){
memset(mark,0,sizeof(mark));
}
void update(int v,int tl,int tr,int pos,int x){
if(tl==tr){
t[v]=x;
return;
}
int tm=(tl+tr)/2;
if(pos<=tm)update(2*v,tl,tm,pos,x);
else update(2*v+1,tm+1,tr,pos,x);
mark[v]=(mark[2*v]|mark[2*v+1]);
if(t[2*v]*1ll*t[2*v+1]>=mod){
mark[v]=1;
}
t[v]=(t[2*v]*1ll*t[2*v+1])%mod;
}
pair<int,bool> mrg(pair<int,bool> a,pair<int,bool> b){
pair<int,bool> res={a.first*1ll*b.first%mod,(a.second|b.second)};
if(a.first*1ll*b.first>=mod){
res.second=1;
}
return res;
}
pair<int,bool> get(int v,int tl,int tr,int l,int r){
if(l>r||tl>r||l>tr)return {1,0};
if(l<=tl&&tr<=r)return {t[v],mark[v]};
int tm=(tl+tr)/2;
return mrg(get(2*v,tl,tm,l,r),get(2*v+1,tm+1,tr,l,r));
}
}tx;
struct segtreeMx{
pair<int,int> t[MAX];
pair<int,int> mrg(pair<int,int> a,pair<int,int> b){
if(a.first>=b.first)return a;
else return b;
}
void update(int v,int tl,int tr,int pos,int x){
if(tl==tr){
t[v]={x,tl};
return;
}
int tm=(tl+tr)/2;
if(pos<=tm)update(2*v,tl,tm,pos,x);
else update(2*v+1,tm+1,tr,pos,x);
t[v]=mrg(t[2*v],t[2*v+1]);
}
pair<int,int> get(int v,int tl,int tr,int l,int r){
if(l>r||tl>r||l>tr)return {0,0};
if(l<=tl&&tr<=r)return t[v];
int tm=(tl+tr)/2;
return mrg(get(2*v,tl,tm,l,r),get(2*v+1,tm+1,tr,l,r));
}
}ty;
int n;
set<int> st;
int x[MAX];
int y[MAX];
int get(int pos){
return tx.get(1,1,n,1,pos).first*1ll*y[pos]%mod;
}
int get(){
if(st.empty())return ty.get(1,1,n,1,n).first;
vector<int> vec;
int pos=ty.get(1,1,n,*st.rbegin(),n).second;
vec.push_back(*st.rbegin());
st.erase(--st.end());
while(!st.empty()){
// assert(*st.rbegin()==vec.back()-1);
int pos1=ty.get(1,1,n,*st.rbegin(),vec.back()-1).second;
vec.push_back(*st.rbegin());
st.erase(--st.end());
pair<int,bool> bf=tx.get(1,1,n,pos1+1,pos);
if(bf.second||bf.first*1ll*y[pos]>=mod)break;
if(bf.first*y[pos]<=y[pos1])pos=pos1;
}
for(int x:vec)st.insert(x);
return get(pos);
}
int init(int N, int X[], int Y[]) {
n=N;
for(int i=0;i<N;i++){
y[i+1]=Y[i];
x[i+1]=X[i];
tx.update(1,1,N,i+1,X[i]);
ty.update(1,1,N,i+1,Y[i]);
if(X[i]!=1){
st.insert(i+1);
}
}
return get();
}
int updateX(int pos, int val) {
pos++;
if(x[pos]!=1)st.erase(pos);
x[pos]=val;
tx.update(1,1,n,pos,val);
if(x[pos]!=1)st.insert(pos);
return get();
}
int updateY(int pos, int val) {
pos++;
y[pos]=val;
ty.update(1,1,n,pos,val);
return get();
}
詳細信息
Subtask #1:
score: 17
Accepted
Test #1:
score: 17
Accepted
time: 2ms
memory: 12852kb
input:
1 2 3 0
output:
6
result:
ok single line: '6'
Test #2:
score: 17
Accepted
time: 2ms
memory: 11896kb
input:
10 2 1 1 5 2 1 1 10 5 1 3 5 7 9 4 1 4 10 10 9 0
output:
10000
result:
ok single line: '10000'
Test #3:
score: 17
Accepted
time: 0ms
memory: 12252kb
input:
10 10 10 10 1 1 1 1 1 1 1 2 3 4 2 7 6 5 4 3 2 0
output:
7000
result:
ok single line: '7000'
Test #4:
score: 17
Accepted
time: 0ms
memory: 12100kb
input:
10 9 1 1 1 1 1 1 1 1 2 4 1 1 1 1 1 1 1 1 2 0
output:
36
result:
ok single line: '36'
Test #5:
score: 17
Accepted
time: 1ms
memory: 12424kb
input:
10 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 0
output:
10
result:
ok single line: '10'
Test #6:
score: 17
Accepted
time: 2ms
memory: 13800kb
input:
10 1 1 1 1 1 1 1 1 1 1 10 9 8 7 6 5 4 3 2 1 0
output:
10
result:
ok single line: '10'
Test #7:
score: 17
Accepted
time: 1ms
memory: 12572kb
input:
10 10 10 10 1 1 1 1 1 1 1 10 10 2 3 4 5 6 7 8 9 0
output:
9000
result:
ok single line: '9000'
Test #8:
score: 17
Accepted
time: 0ms
memory: 13600kb
input:
10 10 10 10 1 1 1 1 1 1 1 10 10 9 8 7 6 5 4 3 2 0
output:
9000
result:
ok single line: '9000'
Test #9:
score: 17
Accepted
time: 2ms
memory: 13416kb
input:
10 1 1 1 1 2 2 1 1 1 1 8 8 8 8 1 1 2 2 2 2 0
output:
8
result:
ok single line: '8'
Test #10:
score: 17
Accepted
time: 0ms
memory: 12956kb
input:
10 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 9 8 7 6 1 0
output:
9
result:
ok single line: '9'
Test #11:
score: 17
Accepted
time: 2ms
memory: 13856kb
input:
2 2 5 9 7 0
output:
70
result:
ok single line: '70'
Test #12:
score: 17
Accepted
time: 2ms
memory: 13892kb
input:
1 1 1 0
output:
1
result:
ok single line: '1'
Test #13:
score: 17
Accepted
time: 0ms
memory: 11256kb
input:
7 7 1 1 6 2 3 2 7 6 5 4 3 7 1 0
output:
1764
result:
ok single line: '1764'
Test #14:
score: 17
Accepted
time: 1ms
memory: 12440kb
input:
1 10 10 0
output:
100
result:
ok single line: '100'
Test #15:
score: 17
Accepted
time: 1ms
memory: 12680kb
input:
2 1 4 7 2 0
output:
8
result:
ok single line: '8'
Test #16:
score: 17
Accepted
time: 0ms
memory: 12304kb
input:
10 1 10 1 10 1 1 10 1 1 1 7 3 10 10 4 10 1 4 5 10 0
output:
10000
result:
ok single line: '10000'
Test #17:
score: 17
Accepted
time: 1ms
memory: 11360kb
input:
6 1 1 1 1 1 1 1 1 1 1 1 1 0
output:
1
result:
ok single line: '1'
Test #18:
score: 17
Accepted
time: 1ms
memory: 12276kb
input:
4 1 2 4 8 8 4 2 1 0
output:
64
result:
ok single line: '64'
Test #19:
score: 17
Accepted
time: 1ms
memory: 11284kb
input:
6 1 2 2 3 1 1 7 1 1 2 1 1 0
output:
24
result:
ok single line: '24'
Test #20:
score: 17
Accepted
time: 0ms
memory: 12912kb
input:
10 2 1 1 5 2 1 1 10 5 1 3 5 7 9 4 1 4 10 7 9 0
output:
9000
result:
ok single line: '9000'
Subtask #2:
score: 0
Wrong Answer
Dependency #1:
100%
Accepted
Test #21:
score: 17
Accepted
time: 1ms
memory: 12588kb
input:
10 10 10 10 10 10 10 1 1 1 1 1 1 1 1 9 5 4 7 3 2 5 1 5 1 2 5 123456789 1 5 1 1 8 987654321 1 9 777777777
output:
7000000 900000 678813585 678813585 294225928 75803567
result:
ok 6 lines
Test #22:
score: 17
Accepted
time: 2ms
memory: 13828kb
input:
10 3 2 7 5 11 13 107 23 51 3 1 1 1 1 1000000000 1 1 1 1 1 16 1 1 1 1 2 1 1 0 1 1 8 1 1 7 1 1 9 1 1 1 25 1 8 123456789 1 4 1 1 6 1 1 3 1 1 5 1 1 5 12345 1 6 123456 1 7 1234567 2 4 3
output:
999983837 999991922 999998852 999999622 999999622 999999622 999999622 999990382 539408243 49037113 617280725 123456145 999999832 851238418 489396978 354709175 354709175
result:
ok 17 lines
Test #23:
score: 17
Accepted
time: 0ms
memory: 11524kb
input:
1000 179278145 423054674 671968267 409599985 828900464 393298292 569389961 360810107 205374067 618910650 76768983 62623743 225944805 498579132 917750714 600860488 642568763 21949846 852642376 283772010 299085842 669257630 544180666 249770466 320727298 612199337 15873453 726595389 219129403 876893450...
output:
394559852 394559852 394559852 394559852 868802752 868802752 868802752 868802752 165967503 244287754 244287754 270995710 270995710 270995710 247981131 247981131 237849527 24662481 24662481 451435926 989677577 989677577 704081481 704081481 704081481 704081481 704081481 631761803 631761803 631761803 80...
result:
ok 1001 lines
Test #24:
score: 17
Accepted
time: 0ms
memory: 12868kb
input:
1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...
output:
858314903 362189740 362189740 362189740 362189740 362189740 347762296 347762296 347762296 347762296 347762296 347762296 297139175 297139175 56337247 56337247 56337247 919555391 919555391 223551221 223551221 223551221 674943421 674943421 674943421 674943421 674943421 160231649 160231649 242692758 242...
result:
ok 1001 lines
Test #25:
score: 17
Accepted
time: 3ms
memory: 13420kb
input:
1000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 100000000...
output:
426490853 426490853 426490853 426490853 224787023 224787023 110744712 110744712 110744712 682644373 841322190 841322190 594096835 973115198 7681374 712091041 712091041 712091041 712091041 712091041 712091041 712091041 326844140 326844140 163422070 326844140 326844140 326844140 163422070 163422070 16...
result:
ok 1001 lines
Test #26:
score: 17
Accepted
time: 2ms
memory: 12940kb
input:
1000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 100000000...
output:
426490853 224787023 110744712 110744712 110744712 110744712 110744712 110744712 110744712 110744712 841322190 188193663 188193663 973115198 973115198 486557599 486557599 486557599 501920347 501920347 214011381 214011381 214011381 214011381 214011381 214011381 214011381 214011381 540855521 81711035 8...
result:
ok 1001 lines
Test #27:
score: 0
Wrong Answer
time: 3ms
memory: 13712kb
input:
1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...
output:
1 111838200 2 2 2 4 4 8 8 8 8 8 8 8 8 8 8 16 16 16 16 16 32 64 128 256 256 256 256 128 256 256 512 1024 1024 1024 1024 1024 1024 1024 2048 2048 4096 4096 8192 8192 8192 8192 8192 8192 8192 16384 16384 16384 16384 16384 16384 16384 16384 16384 16384 16384 32768 65536 65536 131072 131072 262144 262144...
result:
wrong answer 3rd lines differ - expected: '111838200', found: '2'
Subtask #3:
score: 0
Wrong Answer
Test #33:
score: 0
Wrong Answer
time: 1286ms
memory: 48680kb
input:
500000 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2...
output:
942713367 942713367 590416038 946135722 170737482 170737482 170737482 170737482 170737482 877695782 107743536 107743536 107743536 107743536 107743536 842685874 842685874 842685874 842685874 842685874 214274943 214274943 214274943 214274943 214274943 10116410 10116410 10116410 10116410 10116410 50714...
result:
wrong answer 1st lines differ - expected: '967631222', found: '942713367'
Subtask #4:
score: 0
Skipped
Dependency #2:
0%
Subtask #5:
score: 0
Skipped
Dependency #1:
100%
Accepted
Dependency #2:
0%