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 |
|---|---|---|---|---|---|---|---|---|---|
| #634193 | #7781. Sheep Eat Wolves | the_fool# | WA | 0ms | 3724kb | C++20 | 1.4kb | 2024-10-12 16:51:32 | 2024-10-12 16:51:32 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using LL = long long;
using ll = long long;
int x,y,p,q;
void solve() {
cin>>x>>y>>p>>q;
int x1=0,y1=0,ans=0;
while(x)
{
ans++;
if(y1-x1>q&&x1)
{
ans=-1;
break;
}
if(x<=p)break;
if(y-x>q&&ans!=1)
{
ans=-1;
break;
}
int t=x+q-y,t1=0;
if(t>0)
{
if(t>=p)t=p;
else t1=(p-t)/2;
/*if(t==0&&t1==0) {
y-=1;
y1+=1;
}*/
x-=t+t1;
y-=t1;
x1+=t+t1;
y1+=t1;
if(x<=p)y1-=p;
}
else
{
t=-t;
if(t>=p)t=p;
else t1=(p-t)/2;
if(t==0&&t1==0) {
y-=1;
y1+=1;
}
x-=t1;
y-=t+t1;
x1+=t1;
y1+=t+t1;
if(x<=p)y1-=p;
}
}
if(ans==-1)cout<<ans<<endl;
else cout<<ans+ans-1<<endl;
}
signed main() {
ios::sync_with_stdio(0);
cin.tie(0);
#ifdef Debug
assert(freopen("in.txt", "r", stdin));
assert(freopen("out.txt", "w", stdout));
#endif
int t = 1;
//cin >> t;
while (t--) {
solve();
}
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3724kb
input:
4 4 3 1
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3668kb
input:
3 5 2 0
output:
5
result:
ok 1 number(s): "5"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3652kb
input:
2 5 1 1
output:
-1
result:
ok 1 number(s): "-1"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3720kb
input:
1 1 1 0
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3716kb
input:
3 3 1 1
output:
7
result:
ok 1 number(s): "7"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3716kb
input:
3 3 2 1
output:
3
result:
ok 1 number(s): "3"
Test #7:
score: 0
Accepted
time: 0ms
memory: 3648kb
input:
10 9 1 10
output:
19
result:
ok 1 number(s): "19"
Test #8:
score: 0
Accepted
time: 0ms
memory: 3724kb
input:
15 20 2 5
output:
27
result:
ok 1 number(s): "27"
Test #9:
score: 0
Accepted
time: 0ms
memory: 3528kb
input:
18 40 16 7
output:
5
result:
ok 1 number(s): "5"
Test #10:
score: 0
Accepted
time: 0ms
memory: 3644kb
input:
60 60 8 1
output:
27
result:
ok 1 number(s): "27"
Test #11:
score: 0
Accepted
time: 0ms
memory: 3580kb
input:
60 60 8 4
output:
27
result:
ok 1 number(s): "27"
Test #12:
score: 0
Accepted
time: 0ms
memory: 3596kb
input:
60 60 8 8
output:
25
result:
ok 1 number(s): "25"
Test #13:
score: 0
Accepted
time: 0ms
memory: 3648kb
input:
60 60 16 1
output:
13
result:
ok 1 number(s): "13"
Test #14:
score: 0
Accepted
time: 0ms
memory: 3724kb
input:
60 60 16 8
output:
11
result:
ok 1 number(s): "11"
Test #15:
score: 0
Accepted
time: 0ms
memory: 3720kb
input:
60 60 16 16
output:
11
result:
ok 1 number(s): "11"
Test #16:
score: 0
Accepted
time: 0ms
memory: 3588kb
input:
60 60 16 24
output:
9
result:
ok 1 number(s): "9"
Test #17:
score: 0
Accepted
time: 0ms
memory: 3712kb
input:
75 15 1 1
output:
175
result:
ok 1 number(s): "175"
Test #18:
score: 0
Accepted
time: 0ms
memory: 3668kb
input:
50 100 1 0
output:
-1
result:
ok 1 number(s): "-1"
Test #19:
score: 0
Accepted
time: 0ms
memory: 3656kb
input:
100 100 10 10
output:
35
result:
ok 1 number(s): "35"
Test #20:
score: 0
Accepted
time: 0ms
memory: 3588kb
input:
100 100 10 1
output:
37
result:
ok 1 number(s): "37"
Test #21:
score: 0
Accepted
time: 0ms
memory: 3644kb
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: 3712kb
input:
100 100 10 80
output:
21
result:
ok 1 number(s): "21"
Test #24:
score: 0
Accepted
time: 0ms
memory: 3588kb
input:
100 100 1 100
output:
199
result:
ok 1 number(s): "199"
Test #25:
score: -100
Wrong Answer
time: 0ms
memory: 3724kb
input:
100 100 5 0
output:
97
result:
wrong answer 1st numbers differ - expected: '95', found: '97'