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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 |
---|---|---|---|---|---|---|---|---|---|
#679053 | #7781. Sheep Eat Wolves | surenjamts# | ML | 204ms | 515104kb | C++17 | 1.7kb | 2024-10-26 16:46:29 | 2024-10-26 16:46:30 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define F first
#define S second
int x, y, p, q;
bool check(int i, int j, int k){
// if(i == 3 && j == 3 && k == 1) cout << "entered\n";
if(i < 0 || i > x || j < 0 || j > y) return 0;
if(j > i + q && k == 1 && i > 0) return 0;
if(y - j > x - i + q && k == 0 && i < x) return 0;
// if(i == 3 && j == 3 && k == 1) cout << "correct\n";
return 1;
}
struct node{
int s, w, side;
node(int s, int w, int side) : s(s), w(w), side(side) { }
};
vector<node> adj[105][105][5];
int d[105][105][5];
signed main(){
// x = 3, y = 5, p = 2, q = 0;
cin >> x >> y >> p >> q;
for(int i = 0; i <=x; i++){
for(int j = 0; j <= y; j++){
d[i][j][0] = d[i][j][1] = 1e15;
for(int a = 0; a <= i; a++){
for(int b = 0; b <= j; b++){
if(a + b <= p && check(i - a, j - b, 1)) adj[i][j][0].emplace_back(i - a, j - b, 1);
}
}
for(int a = 0; a <= x - i; a++){
for(int b = 0; b <= y - j; b++){
if(a + b <= p && check(i + a, j + b, 0)) adj[i][j][1].emplace_back(i + a, j + b, 0);
}
}
}
}
queue<node> q;
d[x][y][0] = 0;
q.push({x, y, 0});
while(!q.empty()){
auto it = q.front(); q.pop();
for(auto next : adj[it.s][it.w][it.side]){
if(d[it.s][it.w][it.side] + 1 < d[next.s][next.w][next.side]){
d[next.s][next.w][next.side] = d[it.s][it.w][it.side] + 1;
q.push(next);
}
}
}
for(auto next : adj[0][0][1]){
// cout << next.s << " " << next.w << " " << next.side << '\n';
}
int ans = 1e9;
for(int j = 0; j <= y; j++){
ans = min(ans, d[0][j][1]);
}
if(ans > 1e8) cout << "-1\n";
else cout << ans << '\n';
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 4836kb
input:
4 4 3 1
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 1ms
memory: 5100kb
input:
3 5 2 0
output:
5
result:
ok 1 number(s): "5"
Test #3:
score: 0
Accepted
time: 1ms
memory: 4888kb
input:
2 5 1 1
output:
-1
result:
ok 1 number(s): "-1"
Test #4:
score: 0
Accepted
time: 0ms
memory: 5064kb
input:
1 1 1 0
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 1ms
memory: 4876kb
input:
3 3 1 1
output:
7
result:
ok 1 number(s): "7"
Test #6:
score: 0
Accepted
time: 0ms
memory: 4768kb
input:
3 3 2 1
output:
3
result:
ok 1 number(s): "3"
Test #7:
score: 0
Accepted
time: 1ms
memory: 4936kb
input:
10 9 1 10
output:
19
result:
ok 1 number(s): "19"
Test #8:
score: 0
Accepted
time: 1ms
memory: 5020kb
input:
15 20 2 5
output:
27
result:
ok 1 number(s): "27"
Test #9:
score: 0
Accepted
time: 3ms
memory: 7380kb
input:
18 40 16 7
output:
5
result:
ok 1 number(s): "5"
Test #10:
score: 0
Accepted
time: 6ms
memory: 10848kb
input:
60 60 8 1
output:
27
result:
ok 1 number(s): "27"
Test #11:
score: 0
Accepted
time: 9ms
memory: 11364kb
input:
60 60 8 4
output:
27
result:
ok 1 number(s): "27"
Test #12:
score: 0
Accepted
time: 10ms
memory: 11948kb
input:
60 60 8 8
output:
25
result:
ok 1 number(s): "25"
Test #13:
score: 0
Accepted
time: 4ms
memory: 23712kb
input:
60 60 16 1
output:
13
result:
ok 1 number(s): "13"
Test #14:
score: 0
Accepted
time: 16ms
memory: 27864kb
input:
60 60 16 8
output:
11
result:
ok 1 number(s): "11"
Test #15:
score: 0
Accepted
time: 11ms
memory: 32120kb
input:
60 60 16 16
output:
11
result:
ok 1 number(s): "11"
Test #16:
score: 0
Accepted
time: 12ms
memory: 35824kb
input:
60 60 16 24
output:
9
result:
ok 1 number(s): "9"
Test #17:
score: 0
Accepted
time: 2ms
memory: 5420kb
input:
75 15 1 1
output:
175
result:
ok 1 number(s): "175"
Test #18:
score: 0
Accepted
time: 9ms
memory: 5264kb
input:
50 100 1 0
output:
-1
result:
ok 1 number(s): "-1"
Test #19:
score: 0
Accepted
time: 40ms
memory: 37468kb
input:
100 100 10 10
output:
35
result:
ok 1 number(s): "35"
Test #20:
score: 0
Accepted
time: 36ms
memory: 32536kb
input:
100 100 10 1
output:
37
result:
ok 1 number(s): "37"
Test #21:
score: 0
Accepted
time: 38ms
memory: 42304kb
input:
100 100 10 20
output:
33
result:
ok 1 number(s): "33"
Test #22:
score: 0
Accepted
time: 43ms
memory: 46740kb
input:
100 100 10 30
output:
31
result:
ok 1 number(s): "31"
Test #23:
score: 0
Accepted
time: 54ms
memory: 59880kb
input:
100 100 10 80
output:
21
result:
ok 1 number(s): "21"
Test #24:
score: 0
Accepted
time: 32ms
memory: 7504kb
input:
100 100 1 100
output:
199
result:
ok 1 number(s): "199"
Test #25:
score: 0
Accepted
time: 36ms
memory: 13236kb
input:
100 100 5 0
output:
95
result:
ok 1 number(s): "95"
Test #26:
score: 0
Accepted
time: 59ms
memory: 117876kb
input:
100 100 25 3
output:
13
result:
ok 1 number(s): "13"
Test #27:
score: 0
Accepted
time: 62ms
memory: 135708kb
input:
100 100 30 4
output:
11
result:
ok 1 number(s): "11"
Test #28:
score: 0
Accepted
time: 30ms
memory: 9068kb
input:
95 100 3 3
output:
125
result:
ok 1 number(s): "125"
Test #29:
score: 0
Accepted
time: 136ms
memory: 298916kb
input:
98 99 50 6
output:
5
result:
ok 1 number(s): "5"
Test #30:
score: 0
Accepted
time: 119ms
memory: 258492kb
input:
100 100 45 4
output:
7
result:
ok 1 number(s): "7"
Test #31:
score: 0
Accepted
time: 155ms
memory: 330244kb
input:
100 100 40 39
output:
7
result:
ok 1 number(s): "7"
Test #32:
score: 0
Accepted
time: 130ms
memory: 321980kb
input:
100 100 45 19
output:
7
result:
ok 1 number(s): "7"
Test #33:
score: 0
Accepted
time: 196ms
memory: 515104kb
input:
100 100 49 99
output:
5
result:
ok 1 number(s): "5"
Test #34:
score: 0
Accepted
time: 191ms
memory: 515020kb
input:
100 100 49 100
output:
5
result:
ok 1 number(s): "5"
Test #35:
score: 0
Accepted
time: 196ms
memory: 515100kb
input:
100 100 49 98
output:
5
result:
ok 1 number(s): "5"
Test #36:
score: 0
Accepted
time: 183ms
memory: 515000kb
input:
100 100 49 97
output:
5
result:
ok 1 number(s): "5"
Test #37:
score: 0
Accepted
time: 196ms
memory: 515056kb
input:
100 100 49 96
output:
5
result:
ok 1 number(s): "5"
Test #38:
score: 0
Accepted
time: 204ms
memory: 515004kb
input:
100 100 49 95
output:
5
result:
ok 1 number(s): "5"
Test #39:
score: -100
Memory Limit Exceeded
input:
100 100 100 0
output:
1