QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #660979 | #7781. Sheep Eat Wolves | iokanux# | WA | 73ms | 4148kb | C++20 | 1.1kb | 2024-10-20 14:09:24 | 2024-10-20 14:09:28 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
int x,y,p,q,ansx,ansy;
int f[3][110][110];
struct node{
int st,x,y;
};
void bfs(){
queue<node> pq;
pq.push(node{1,x,y});
f[1][x][y]=1;
while(!pq.empty()){
node t=pq.front(); pq.pop();
// cout<<t.st<<" "<<t.x<<" "<<t.y<<" ++ "<<f[t.st][t.x][t.y]<<"\n";
for(int i=0;i<=p;i++){
for(int j=0;j<=i;j++){
if(t.st==1){
if(j>t.x||i-j>t.y) continue;
if(t.x-j==0||t.x-j+q>=t.y-(i-j)){
if(f[2][t.x-j][t.y-(i-j)]) continue;
f[2][t.x-j][t.y-(i-j)]=f[t.st][t.x][t.y]+1;
pq.push(node{2,t.x-j,t.y-(i-j)});
}
}
else{
if(j>ansx-t.x||i-j>ansy-t.y) continue;
if(ansx-t.x-j==0||ansx-t.x-j+q>=ansy-t.y-(i-j)){
if(f[1][t.x+j][t.y+(i-j)]) continue;
f[1][t.x+j][t.y+(i-j)]=f[t.st][t.x][t.y]+1;
pq.push(node{1,t.x+j,t.y+(i-j)});
}
}
}
}
}
}
signed main(){
ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
cin>>x>>y>>p>>q;
ansx=x,ansy=y;
bfs();
int mi=1e18;
for(int i=0;i<=y;i++) mi=min(mi,f[2][0][i]);
cout<<mi-1;
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3552kb
input:
4 4 3 1
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
3 5 2 0
output:
5
result:
ok 1 number(s): "5"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3820kb
input:
2 5 1 1
output:
-1
result:
ok 1 number(s): "-1"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3628kb
input:
1 1 1 0
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3868kb
input:
3 3 1 1
output:
7
result:
ok 1 number(s): "7"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3452kb
input:
3 3 2 1
output:
3
result:
ok 1 number(s): "3"
Test #7:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
10 9 1 10
output:
19
result:
ok 1 number(s): "19"
Test #8:
score: 0
Accepted
time: 0ms
memory: 3588kb
input:
15 20 2 5
output:
27
result:
ok 1 number(s): "27"
Test #9:
score: 0
Accepted
time: 1ms
memory: 3600kb
input:
18 40 16 7
output:
5
result:
ok 1 number(s): "5"
Test #10:
score: 0
Accepted
time: 0ms
memory: 3660kb
input:
60 60 8 1
output:
27
result:
ok 1 number(s): "27"
Test #11:
score: 0
Accepted
time: 1ms
memory: 3936kb
input:
60 60 8 4
output:
27
result:
ok 1 number(s): "27"
Test #12:
score: 0
Accepted
time: 1ms
memory: 3712kb
input:
60 60 8 8
output:
25
result:
ok 1 number(s): "25"
Test #13:
score: 0
Accepted
time: 1ms
memory: 3664kb
input:
60 60 16 1
output:
13
result:
ok 1 number(s): "13"
Test #14:
score: 0
Accepted
time: 2ms
memory: 3792kb
input:
60 60 16 8
output:
11
result:
ok 1 number(s): "11"
Test #15:
score: 0
Accepted
time: 2ms
memory: 3940kb
input:
60 60 16 16
output:
11
result:
ok 1 number(s): "11"
Test #16:
score: 0
Accepted
time: 2ms
memory: 3752kb
input:
60 60 16 24
output:
9
result:
ok 1 number(s): "9"
Test #17:
score: 0
Accepted
time: 1ms
memory: 3728kb
input:
75 15 1 1
output:
175
result:
ok 1 number(s): "175"
Test #18:
score: 0
Accepted
time: 0ms
memory: 3536kb
input:
50 100 1 0
output:
-1
result:
ok 1 number(s): "-1"
Test #19:
score: 0
Accepted
time: 2ms
memory: 3816kb
input:
100 100 10 10
output:
35
result:
ok 1 number(s): "35"
Test #20:
score: 0
Accepted
time: 1ms
memory: 3980kb
input:
100 100 10 1
output:
37
result:
ok 1 number(s): "37"
Test #21:
score: 0
Accepted
time: 0ms
memory: 3736kb
input:
100 100 10 20
output:
33
result:
ok 1 number(s): "33"
Test #22:
score: 0
Accepted
time: 0ms
memory: 3752kb
input:
100 100 10 30
output:
31
result:
ok 1 number(s): "31"
Test #23:
score: 0
Accepted
time: 3ms
memory: 3832kb
input:
100 100 10 80
output:
21
result:
ok 1 number(s): "21"
Test #24:
score: 0
Accepted
time: 0ms
memory: 3732kb
input:
100 100 1 100
output:
199
result:
ok 1 number(s): "199"
Test #25:
score: 0
Accepted
time: 1ms
memory: 3804kb
input:
100 100 5 0
output:
95
result:
ok 1 number(s): "95"
Test #26:
score: 0
Accepted
time: 6ms
memory: 3868kb
input:
100 100 25 3
output:
13
result:
ok 1 number(s): "13"
Test #27:
score: 0
Accepted
time: 9ms
memory: 3848kb
input:
100 100 30 4
output:
11
result:
ok 1 number(s): "11"
Test #28:
score: 0
Accepted
time: 1ms
memory: 3672kb
input:
95 100 3 3
output:
125
result:
ok 1 number(s): "125"
Test #29:
score: 0
Accepted
time: 25ms
memory: 4068kb
input:
98 99 50 6
output:
5
result:
ok 1 number(s): "5"
Test #30:
score: 0
Accepted
time: 20ms
memory: 3872kb
input:
100 100 45 4
output:
7
result:
ok 1 number(s): "7"
Test #31:
score: 0
Accepted
time: 24ms
memory: 3872kb
input:
100 100 40 39
output:
7
result:
ok 1 number(s): "7"
Test #32:
score: 0
Accepted
time: 27ms
memory: 3904kb
input:
100 100 45 19
output:
7
result:
ok 1 number(s): "7"
Test #33:
score: 0
Accepted
time: 40ms
memory: 3836kb
input:
100 100 49 99
output:
5
result:
ok 1 number(s): "5"
Test #34:
score: 0
Accepted
time: 39ms
memory: 4148kb
input:
100 100 49 100
output:
5
result:
ok 1 number(s): "5"
Test #35:
score: 0
Accepted
time: 40ms
memory: 3848kb
input:
100 100 49 98
output:
5
result:
ok 1 number(s): "5"
Test #36:
score: 0
Accepted
time: 40ms
memory: 4092kb
input:
100 100 49 97
output:
5
result:
ok 1 number(s): "5"
Test #37:
score: 0
Accepted
time: 40ms
memory: 3908kb
input:
100 100 49 96
output:
5
result:
ok 1 number(s): "5"
Test #38:
score: 0
Accepted
time: 39ms
memory: 3848kb
input:
100 100 49 95
output:
5
result:
ok 1 number(s): "5"
Test #39:
score: 0
Accepted
time: 73ms
memory: 4144kb
input:
100 100 100 0
output:
1
result:
ok 1 number(s): "1"
Test #40:
score: -100
Wrong Answer
time: 0ms
memory: 3560kb
input:
1 100 1 0
output:
-1
result:
wrong answer 1st numbers differ - expected: '1', found: '-1'