QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #89281 | #5259. Skills in Pills | dalfasewf | AC ✓ | 190ms | 4496kb | C++14 | 2.5kb | 2023-03-19 15:27:21 | 2023-03-19 15:27:24 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll a[2000009];
ll n,m,k,x,y;
ll cnt,ans;
map<ll,ll>L,R;
ll f(ll e,ll cx,ll cy){
return (n-e+cx)/x+(n-e+cy)/y;
}
int main()
{
ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
ll i,j,t;
t=0;
cin>>x>>y>>n;
if(x==y){
cout<<n/x+(n+1)/x;
return 0;
}
for(i=1;i<=1000000;i++){
if(!L[x*i%y])L[x*i%y]=i;
if(!R[y*i%x])R[y*i%x]=i;
}
ll l=0,r=0;
i=x,j=y;
ll sx=0,sy=0;
while(1){
ll e;
if(sx==sy)e=L[0]*x+sx;
else if(sx<sy){
if(!R[x-1]){
ans+=(n-sx)/x+(n-sy)/y;
break;
}
e=R[x-1]*y+sy;
}
else {
if(!L[y-1]){
ans+=(n-sx)/x+(n-sy)/y;
break;
}
e=L[y-1]*x+sx;
}
// cout<<e<<"\n";
if(e>=n){
ans+=(n-sx)/x+(n-sy)/y;
break;
}
if(sx==sy)ans+=L[0]+R[0];
else if(sx<sy)ans+=R[x-1]+(e-sx)/x;
else ans+=L[y-1]+(e-sy)/y;
// cout<<"A: "<<ans<<"\n";
if(f(e,1,0)<f(e,0,1)){//x左移
// cout<<"X\n";
sx=e-1;
sy=e;
}
else {//y左移
// cout<<"Y\n";
sx=e;
sy=e-1;
}
// cout<<sx<<" "<<sy<<"\n";
}
ll ANS=ans;
ans=0;
l=0,r=0;
i=x,j=y;
sx=0,sy=0;
while(1){
ll e;
if(sx==sy)e=L[0]*x+sx;
else if(sx<sy){
if(!R[x-1]){
ans+=(n-sx)/x+(n-sy)/y;
break;
}
e=R[x-1]*y+sy;
}
else {
if(!L[y-1]){
ans+=(n-sx)/x+(n-sy)/y;
break;
}
e=L[y-1]*x+sx;
}
// cout<<e<<"\n";
if(e>=n){
ans+=(n-sx)/x+(n-sy)/y;
break;
}
if(sx==sy)ans+=L[0]+R[0];
else if(sx<sy)ans+=R[x-1]+(e-sx)/x;
else ans+=L[y-1]+(e-sy)/y;
// cout<<"A: "<<ans<<"\n";
if(f(e,1,0)<=f(e,0,1)){//x左移
// cout<<"X\n";
sx=e-1;
sy=e;
}
else {//y左移
// cout<<"Y\n";
sx=e;
sy=e-1;
}
// cout<<sx<<" "<<sy<<"\n";
}
cout<<min(ans,ANS);
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 21ms
memory: 3412kb
input:
3 9 20
output:
8
result:
ok single line: '8'
Test #2:
score: 0
Accepted
time: 22ms
memory: 3532kb
input:
8 2 12
output:
7
result:
ok single line: '7'
Test #3:
score: 0
Accepted
time: 21ms
memory: 3400kb
input:
2 5 15
output:
10
result:
ok single line: '10'
Test #4:
score: 0
Accepted
time: 21ms
memory: 3376kb
input:
10 8 13
output:
2
result:
ok single line: '2'
Test #5:
score: 0
Accepted
time: 2ms
memory: 3372kb
input:
6 6 19
output:
6
result:
ok single line: '6'
Test #6:
score: 0
Accepted
time: 21ms
memory: 3556kb
input:
2 3 5
output:
3
result:
ok single line: '3'
Test #7:
score: 0
Accepted
time: 21ms
memory: 3484kb
input:
4 2 8
output:
6
result:
ok single line: '6'
Test #8:
score: 0
Accepted
time: 2ms
memory: 3484kb
input:
5 5 5
output:
2
result:
ok single line: '2'
Test #9:
score: 0
Accepted
time: 22ms
memory: 3328kb
input:
3 8 11
output:
4
result:
ok single line: '4'
Test #10:
score: 0
Accepted
time: 20ms
memory: 3556kb
input:
5 8 16
output:
5
result:
ok single line: '5'
Test #11:
score: 0
Accepted
time: 21ms
memory: 3364kb
input:
9 7 279
output:
70
result:
ok single line: '70'
Test #12:
score: 0
Accepted
time: 23ms
memory: 3520kb
input:
8 3 56
output:
25
result:
ok single line: '25'
Test #13:
score: 0
Accepted
time: 19ms
memory: 3404kb
input:
5 9 46
output:
14
result:
ok single line: '14'
Test #14:
score: 0
Accepted
time: 21ms
memory: 3556kb
input:
8 4 251
output:
93
result:
ok single line: '93'
Test #15:
score: 0
Accepted
time: 23ms
memory: 3356kb
input:
8 7 41
output:
10
result:
ok single line: '10'
Test #16:
score: 0
Accepted
time: 70ms
memory: 3328kb
input:
60 17 360
output:
27
result:
ok single line: '27'
Test #17:
score: 0
Accepted
time: 65ms
memory: 3408kb
input:
16 55 388
output:
31
result:
ok single line: '31'
Test #18:
score: 0
Accepted
time: 67ms
memory: 3360kb
input:
25 38 292
output:
18
result:
ok single line: '18'
Test #19:
score: 0
Accepted
time: 69ms
memory: 3316kb
input:
22 59 177
output:
11
result:
ok single line: '11'
Test #20:
score: 0
Accepted
time: 23ms
memory: 3528kb
input:
4 3 82
output:
50
result:
ok single line: '50'
Test #21:
score: 0
Accepted
time: 72ms
memory: 3364kb
input:
77 18 511543
output:
35070
result:
ok single line: '35070'
Test #22:
score: 0
Accepted
time: 65ms
memory: 3364kb
input:
37 32 987861
output:
57612
result:
ok single line: '57612'
Test #23:
score: 0
Accepted
time: 23ms
memory: 3320kb
input:
29 8 300899
output:
48059
result:
ok single line: '48059'
Test #24:
score: 0
Accepted
time: 91ms
memory: 3416kb
input:
73 83 533839
output:
13745
result:
ok single line: '13745'
Test #25:
score: 0
Accepted
time: 24ms
memory: 3360kb
input:
12 23 181193
output:
23008
result:
ok single line: '23008'
Test #26:
score: 0
Accepted
time: 2ms
memory: 3400kb
input:
2 2 864514
output:
864514
result:
ok single line: '864514'
Test #27:
score: 0
Accepted
time: 27ms
memory: 3356kb
input:
27 7 165249
output:
29765
result:
ok single line: '29765'
Test #28:
score: 0
Accepted
time: 28ms
memory: 3320kb
input:
15 2 751665
output:
429522
result:
ok single line: '429522'
Test #29:
score: 0
Accepted
time: 22ms
memory: 3524kb
input:
2 16 818146
output:
460207
result:
ok single line: '460207'
Test #30:
score: 0
Accepted
time: 72ms
memory: 3364kb
input:
43 88 631366
output:
21860
result:
ok single line: '21860'
Test #31:
score: 0
Accepted
time: 119ms
memory: 3488kb
input:
215 1222 3597
output:
18
result:
ok single line: '18'
Test #32:
score: 0
Accepted
time: 166ms
memory: 4172kb
input:
9619 3375 604892
output:
241
result:
ok single line: '241'
Test #33:
score: 0
Accepted
time: 146ms
memory: 3532kb
input:
861 1924 311511
output:
522
result:
ok single line: '522'
Test #34:
score: 0
Accepted
time: 180ms
memory: 4188kb
input:
9249 3782 866972
output:
322
result:
ok single line: '322'
Test #35:
score: 0
Accepted
time: 190ms
memory: 4340kb
input:
7055 8386 206874
output:
53
result:
ok single line: '53'
Test #36:
score: 0
Accepted
time: 175ms
memory: 4244kb
input:
6273 7732 122377
output:
34
result:
ok single line: '34'
Test #37:
score: 0
Accepted
time: 175ms
memory: 4292kb
input:
8057 7746 89137
output:
22
result:
ok single line: '22'
Test #38:
score: 0
Accepted
time: 182ms
memory: 4496kb
input:
9215 8952 74618
output:
16
result:
ok single line: '16'
Test #39:
score: 0
Accepted
time: 167ms
memory: 4048kb
input:
7246 3709 129579
output:
51
result:
ok single line: '51'
Test #40:
score: 0
Accepted
time: 175ms
memory: 3996kb
input:
4052 6785 831888
output:
327
result:
ok single line: '327'
Test #41:
score: 0
Accepted
time: 20ms
memory: 3368kb
input:
9 2 91067
output:
56916
result:
ok single line: '56916'
Test #42:
score: 0
Accepted
time: 26ms
memory: 3364kb
input:
10 3 913595
output:
406041
result:
ok single line: '406041'
Test #43:
score: 0
Accepted
time: 2ms
memory: 3408kb
input:
2 2 152575
output:
152575
result:
ok single line: '152575'
Test #44:
score: 0
Accepted
time: 2ms
memory: 3360kb
input:
2 2 927771
output:
927771
result:
ok single line: '927771'
Test #45:
score: 0
Accepted
time: 29ms
memory: 3364kb
input:
6 7 637014
output:
200204
result:
ok single line: '200204'
Test #46:
score: 0
Accepted
time: 32ms
memory: 3376kb
input:
5 3 721417
output:
400786
result:
ok single line: '400786'
Test #47:
score: 0
Accepted
time: 24ms
memory: 3368kb
input:
5 9 183079
output:
57538
result:
ok single line: '57538'
Test #48:
score: 0
Accepted
time: 42ms
memory: 3364kb
input:
9 2 579290
output:
362055
result:
ok single line: '362055'
Test #49:
score: 0
Accepted
time: 33ms
memory: 3524kb
input:
3 4 546909
output:
341817
result:
ok single line: '341817'
Test #50:
score: 0
Accepted
time: 2ms
memory: 3552kb
input:
2 2 932611
output:
932611
result:
ok single line: '932611'