QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #660479 | #7781. Sheep Eat Wolves | iokanux# | WA | 1ms | 3672kb | C++20 | 909b | 2024-10-20 11:29:22 | 2024-10-20 11:29:22 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int x,y,p,q,xx,yy,ans,ansx,ansy;
int main(){
ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
cin>>x>>y>>p>>q;
ansx=x;
ansy=y;
while(x>0){
int cnt1=0,cnt2=0;
for(int i=p;i>=1;i--){
for(int j=i;j>=0;j--){
if(j>x||i-j>y) continue;
if(x-j==0||x-j+q>=y-(i-j)){
// cout<<x-j+q<<" "<<y-(i-j)<<" "<<xx+i+q<<" "<<yy+(i-j)<<"\n";
cnt1=1;
x-=j;
y-=(i-j);
xx+=j;
yy+=(i-j);
// cout<<j<<" "<<i-j<<"++\n";
// cout<<j<<" "<<i-j<<"\n";
}
if(cnt1){
ans++;
break;
}
}
if(cnt1) break;
}
if(x==0) break;
ans++;
if(xx+q<yy&&xx>0){
int t=yy-xx-q;
if(t>p){
cout<<"-1";
return 0;
}
else{
yy-=t;
y+=t;
}
}
if(cnt1==1){
continue;
}
cout<<"-1";
return 0;
}
cout<<ans;
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3484kb
input:
4 4 3 1
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3484kb
input:
3 5 2 0
output:
5
result:
ok 1 number(s): "5"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3560kb
input:
2 5 1 1
output:
-1
result:
ok 1 number(s): "-1"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3480kb
input:
1 1 1 0
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3552kb
input:
3 3 1 1
output:
7
result:
ok 1 number(s): "7"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3492kb
input:
3 3 2 1
output:
3
result:
ok 1 number(s): "3"
Test #7:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
10 9 1 10
output:
19
result:
ok 1 number(s): "19"
Test #8:
score: 0
Accepted
time: 0ms
memory: 3544kb
input:
15 20 2 5
output:
27
result:
ok 1 number(s): "27"
Test #9:
score: 0
Accepted
time: 0ms
memory: 3484kb
input:
18 40 16 7
output:
5
result:
ok 1 number(s): "5"
Test #10:
score: 0
Accepted
time: 0ms
memory: 3544kb
input:
60 60 8 1
output:
27
result:
ok 1 number(s): "27"
Test #11:
score: 0
Accepted
time: 1ms
memory: 3548kb
input:
60 60 8 4
output:
27
result:
ok 1 number(s): "27"
Test #12:
score: 0
Accepted
time: 0ms
memory: 3608kb
input:
60 60 8 8
output:
25
result:
ok 1 number(s): "25"
Test #13:
score: 0
Accepted
time: 0ms
memory: 3596kb
input:
60 60 16 1
output:
13
result:
ok 1 number(s): "13"
Test #14:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
60 60 16 8
output:
11
result:
ok 1 number(s): "11"
Test #15:
score: 0
Accepted
time: 0ms
memory: 3552kb
input:
60 60 16 16
output:
11
result:
ok 1 number(s): "11"
Test #16:
score: 0
Accepted
time: 0ms
memory: 3544kb
input:
60 60 16 24
output:
9
result:
ok 1 number(s): "9"
Test #17:
score: 0
Accepted
time: 0ms
memory: 3672kb
input:
75 15 1 1
output:
175
result:
ok 1 number(s): "175"
Test #18:
score: 0
Accepted
time: 0ms
memory: 3444kb
input:
50 100 1 0
output:
-1
result:
ok 1 number(s): "-1"
Test #19:
score: 0
Accepted
time: 0ms
memory: 3672kb
input:
100 100 10 10
output:
35
result:
ok 1 number(s): "35"
Test #20:
score: 0
Accepted
time: 0ms
memory: 3552kb
input:
100 100 10 1
output:
37
result:
ok 1 number(s): "37"
Test #21:
score: 0
Accepted
time: 0ms
memory: 3560kb
input:
100 100 10 20
output:
33
result:
ok 1 number(s): "33"
Test #22:
score: 0
Accepted
time: 0ms
memory: 3592kb
input:
100 100 10 30
output:
31
result:
ok 1 number(s): "31"
Test #23:
score: 0
Accepted
time: 0ms
memory: 3668kb
input:
100 100 10 80
output:
21
result:
ok 1 number(s): "21"
Test #24:
score: 0
Accepted
time: 0ms
memory: 3544kb
input:
100 100 1 100
output:
199
result:
ok 1 number(s): "199"
Test #25:
score: -100
Wrong Answer
time: 0ms
memory: 3548kb
input:
100 100 5 0
output:
97
result:
wrong answer 1st numbers differ - expected: '95', found: '97'