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 |
---|---|---|---|---|---|---|---|---|---|
#456840 | #1060. 快速查询 | rzh123 | 100 ✓ | 288ms | 47912kb | C++20 | 2.7kb | 2024-06-28 15:24:15 | 2024-06-28 15:24:16 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
constexpr int P=1e7+19,Q=1e5+5,T=105;
int n,q,tt,sum,gk,gb,ans,inv[P+5];
struct Op{
int t,x,y;
}op[Q];
struct Rep{
int a,b;
}re[T];
int idc{0},tim{0};
pair<int,int> v[Q];
map<int,int> id;
inline void out(int vv){
// printf("%d\n",vv);
ans=(ans+vv)%P;
}
int query(int x){
if(v[x].second<v[0].second){
v[x]=v[0];
}
int t=(1ll*v[x].first*gk+gb)%P;
// printf("query %d = %d (v=%d)\n",x,t,v[x].first);
return t;
}
void doop(int id){
// printf("%d\n",id);
// return;
++tim;
int t=op[id].t,x=op[id].x,y=op[id].y;
// printf("op %d %d %d\n",t,x,y);
// printf("k=%d b=%d\n",gk,gb);
if(t==3&&y==0) t=4;
switch(t){
case 1:{
// k*X+b=y,X=(y-b)/k
// assert(gk!=0);
sum=(sum-query(x)+P)%P;
sum=(sum+y)%P;
int vv=1ll*((y-gb+P)%P)*inv[gk]%P;
v[x]={vv,tim};
// assert(query(x)==y);
break;
}
case 2:{
gb=(gb+y)%P;
sum=(sum+1ll*y*n)%P;
break;
}
case 3:{
gk=1ll*gk*y%P;
gb=1ll*gb*y%P;
sum=1ll*sum*y%P;
break;
}
case 4:{
v[0]={y,tim};
gk=1,gb=0;
sum=1ll*y*n%P;
break;
}
case 5:{
out(query(x));
break;
}
case 6:{
out(sum);
break;
}
}
}
void init(){
inv[1]=1;
for(int i{2};i<P;++i){
inv[i]=1ll*(P-P/i+P)%P*inv[P%i]%P;
// assert(1ll*i*inv[i]%P==1);
}
for(int i{1};i<=q;++i){
if(op[i].t==1){
if(id.find(op[i].x)==id.end()) id.emplace(op[i].x,++idc);
op[i].x=id[op[i].x];
}
}
for(int i{1};i<=q;++i){
if(op[i].t==5){
if(id.find(op[i].x)!=id.end()) op[i].x=id[op[i].x];
else op[i].x=0;
}
}
// fprintf(stderr,"idc=%d\n",idc);
}
int main(){
scanf("%d%d",&n,&q);
for(int i{1};i<=q;++i){
int t,x{0},y{0};
scanf("%d",&t);
if(t==1||t==5) scanf("%d",&x);
if(t<=4) scanf("%d",&y);
y=(y%P+P)%P;
op[i]={t,x,y};
}
scanf("%d",&tt);
for(int i{1};i<=tt;++i){
int a,b;
scanf("%d%d",&a,&b);
a=(a%q+q)%q;
b=(b%q+q)%q;
re[i]={a,b};
}
sum=0;
for(int i{0};i<=idc;++i){
v[i]={0,0};
}
gk=1,gb=0,tim=0;
init();
for(int i{1};i<=tt;++i)
for(int j{1};j<=q;++j)
doop((re[i].a+1ll*j*re[i].b)%q+1);
printf("%d\n",ans);
return 0;
}
詳細信息
Subtask #1:
score: 50
Accepted
Test #1:
score: 50
Accepted
time: 81ms
memory: 47428kb
input:
452026 95958 1 285703 217433997 1 11660 355946119 1 154677 958212086 1 45777 559001183 1 149425 708949937 1 199039 -627813211 1 421465 878181683 1 18566 -840518154 1 268546 -956473636 1 6627 -168874651 1 165349 796846652 1 389787 -241387034 2 856579071 2 776291767 1 361873 220652502 1 34945 3586417 ...
output:
7032812
result:
ok single line: '7032812'
Test #2:
score: 0
Accepted
time: 84ms
memory: 47356kb
input:
483072 93455 3 127269075 1 302644 -819206705 1 324283 176567456 1 362914 -123696183 1 269012 35941289 1 320675 371602507 2 621029853 1 261791 42607160 1 134081 -311548238 1 39566 -639742963 1 148195 248115767 2 698644799 1 14757 -854683791 3 568083880 4 -307679829 1 81614 58671469 4 -123658687 1 263...
output:
4330039
result:
ok single line: '4330039'
Test #3:
score: 0
Accepted
time: 95ms
memory: 47832kb
input:
451320 98796 1 273886 584382657 1 72767 882120348 2 -500581825 1 371431 -890794733 1 388789 575894740 1 416938 55821666 4 -139712863 1 391097 644330384 2 -469419669 1 448782 107966848 1 235509 -986289 3 -858374275 1 123585 -837984190 2 929586510 6 1 401033 363310883 1 331019 468451209 1 96904 -12761...
output:
2444116
result:
ok single line: '2444116'
Test #4:
score: 0
Accepted
time: 90ms
memory: 47472kb
input:
482366 98045 1 24349 377283548 1 453704 -854792539 6 1 237007 242624318 1 88252 393839755 6 1 228412 125093668 1 181999 240899085 4 -558162897 1 206599 674854997 1 277268 -501664106 4 -725152265 1 108652 -772913438 1 314782 64055034 1 188046 -600981194 1 351594 751311220 1 27428 454875485 1 435918 -...
output:
1089463
result:
ok single line: '1089463'
Test #5:
score: 0
Accepted
time: 89ms
memory: 47620kb
input:
482013 91226 4 725259386 1 43639 194616618 4 -37234157 1 133414 -574368751 1 86430 -490776890 1 41779 -149936319 1 155135 -789189968 1 23506 90866624 1 173870 866781461 1 357433 -571999918 1 87765 -307392425 5 175104 1 230280 -534700699 1 246779 348430587 4 614286356 1 455152 -217613300 1 91751 6252...
output:
2809378
result:
ok single line: '2809378'
Subtask #2:
score: 50
Accepted
Dependency #1:
100%
Accepted
Test #6:
score: 50
Accepted
time: 288ms
memory: 47772kb
input:
932633695 99894 1 817597654 58755520 1 830426120 -575569935 1 219698976 11255802 6 1 879216899 -243126660 4 778062635 1 614037672 -8450346 1 867388106 702693200 1 383979273 190017535 6 1 31373926 826414468 1 498056404 219646389 4 -534017693 1 364133037 733160350 2 -117264984 2 768406768 6 1 16132616...
output:
6837626
result:
ok single line: '6837626'
Test #7:
score: 0
Accepted
time: 274ms
memory: 47564kb
input:
957779956 94827 3 601355317 1 45079147 38155506 1 231631228 -362057428 6 2 -283829750 6 1 577666590 -691353274 1 205440460 -667647306 1 949397227 -3792339 1 653527564 828820694 1 491521243 915189166 3 -230329676 1 268381062 597296274 4 12779460 1 599484650 351024349 1 896651645 722621340 1 134125930...
output:
4070758
result:
ok single line: '4070758'
Test #8:
score: 0
Accepted
time: 279ms
memory: 47528kb
input:
987958964 92325 2 -468910483 6 1 510389535 900881564 4 -943881278 1 120113253 5273740 1 401108682 -866524220 1 108908755 -622968084 1 690649880 -664653909 6 1 406048569 930927819 5 688114677 4 -245255661 5 105555975 1 353750321 -466163361 5 927730102 6 5 534739635 5 444272952 1 66866280 470469397 1 ...
output:
7152858
result:
ok single line: '7152858'
Test #9:
score: 0
Accepted
time: 277ms
memory: 47912kb
input:
913105224 97665 1 588154473 218605071 1 628019257 213691408 6 2 678329170 2 -538647151 1 545477538 -779883649 1 799854288 -111616832 1 26866293 32675018 2 -340866521 1 124213553 384460066 1 775180734 414347048 2 123715231 1 628324808 -102971256 1 214563428 8068862 1 402502072 -706040775 1 659051837 ...
output:
9405271
result:
ok single line: '9405271'
Test #10:
score: 0
Accepted
time: 272ms
memory: 47704kb
input:
943284232 95163 4 -852531875 1 201974707 -653053877 1 823113651 196429318 3 337869540 1 647936647 114651757 1 593910554 120551408 1 315182996 -77867126 1 812178266 287556917 1 697126470 302117687 1 156012320 687964917 1 670615234 784564862 1 361379363 510732694 3 676262960 1 770979443 -642438266 1 1...
output:
1705627
result:
ok single line: '1705627'