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 |
|---|---|---|---|---|---|---|---|---|---|
| #630402 | #7781. Sheep Eat Wolves | zrj66 | AC ✓ | 12ms | 4560kb | C++20 | 2.2kb | 2024-10-11 18:21:26 | 2024-10-11 18:21:26 |
Judging History
answer
#include <bits/stdc++.h>
#define x first
#define y second
using namespace std;
using PII = pair<int, int>;
#define int long long
#define endl "\n"
const int N = 201;
int dist[N][N][2];
struct Node{
int x, y, op;
};
void solve() {
int x,y,p,q;cin >> x >> y >> p >> q;
queue<Node> que;
que.push({x, y, 0});
memset(dist, -1, sizeof dist);
dist[x][y][0] = 0;
while(que.size()){
auto [x1, y1, op] = que.front();
// cout << x1 << " " << y1 << " " << (x - x1) << " " << (y - y1) << " " << op << " " << dist[x1][y1][op] << "\n";
que.pop();
if(op == 0) {
if((y - y1) - (x - x1) > q && (x - x1) != 0) continue;
}else {
if(y1 - x1 > q && x1 != 0) continue;
}
if(x1 == 0){
// cout << x1 << " " << y1 << "\n";
cout << dist[x1][y1][op] << "\n";
return;
}
int x2 = x - x1, y2 = y - y1;
if(op % 2 == 0){
for(int i = 0; i <= min(x1, p); i ++){
// cout << i + (p - i) << endl;
int lx = x1 - i, ly = max(0LL, y1 - (p - i));
// cout << x1 << " " << y1 << " " << i << endl;
if(ly - lx > q && lx != 0) continue;
if(dist[lx][ly][op ^ 1] != -1) continue;
dist[lx][ly][op ^ 1] = dist[x1][y1][op] + 1;
que.push({lx, ly, op ^ 1});
}
}
else{
for(int i = 0; i <= min(x2, p); i ++){
for(int j = 0; j <= min(y2, p - i); j ++){
// cout << i + j << endl;
int lx = (x1 + i), ly = (y1 + j);
if((y - ly) - (x - lx) > q && (x - lx) != 0) continue;
if(dist[lx][ly][op ^ 1] != -1) continue;
dist[lx][ly][op ^ 1] = dist[x1][y1][op] + 1;
que.push({lx, ly, op ^ 1});
}
}
}
}
cout << "-1\n";
}
signed main() {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int _ = 1;
//cin >> _;
while(_--) {
solve();
}
}
这程序好像有点Bug，我给组数据试试？
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 4176kb
input:
4 4 3 1
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 1ms
memory: 4472kb
input:
3 5 2 0
output:
5
result:
ok 1 number(s): "5"
Test #3:
score: 0
Accepted
time: 1ms
memory: 4184kb
input:
2 5 1 1
output:
-1
result:
ok 1 number(s): "-1"
Test #4:
score: 0
Accepted
time: 1ms
memory: 4176kb
input:
1 1 1 0
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 1ms
memory: 4136kb
input:
3 3 1 1
output:
7
result:
ok 1 number(s): "7"
Test #6:
score: 0
Accepted
time: 0ms
memory: 4484kb
input:
3 3 2 1
output:
3
result:
ok 1 number(s): "3"
Test #7:
score: 0
Accepted
time: 1ms
memory: 4248kb
input:
10 9 1 10
output:
19
result:
ok 1 number(s): "19"
Test #8:
score: 0
Accepted
time: 1ms
memory: 4208kb
input:
15 20 2 5
output:
27
result:
ok 1 number(s): "27"
Test #9:
score: 0
Accepted
time: 1ms
memory: 4232kb
input:
18 40 16 7
output:
5
result:
ok 1 number(s): "5"
Test #10:
score: 0
Accepted
time: 1ms
memory: 4128kb
input:
60 60 8 1
output:
27
result:
ok 1 number(s): "27"
Test #11:
score: 0
Accepted
time: 1ms
memory: 4488kb
input:
60 60 8 4
output:
27
result:
ok 1 number(s): "27"
Test #12:
score: 0
Accepted
time: 1ms
memory: 4184kb
input:
60 60 8 8
output:
25
result:
ok 1 number(s): "25"
Test #13:
score: 0
Accepted
time: 1ms
memory: 4248kb
input:
60 60 16 1
output:
13
result:
ok 1 number(s): "13"
Test #14:
score: 0
Accepted
time: 1ms
memory: 4496kb
input:
60 60 16 8
output:
11
result:
ok 1 number(s): "11"
Test #15:
score: 0
Accepted
time: 1ms
memory: 4196kb
input:
60 60 16 16
output:
11
result:
ok 1 number(s): "11"
Test #16:
score: 0
Accepted
time: 0ms
memory: 4456kb
input:
60 60 16 24
output:
9
result:
ok 1 number(s): "9"
Test #17:
score: 0
Accepted
time: 1ms
memory: 4244kb
input:
75 15 1 1
output:
175
result:
ok 1 number(s): "175"
Test #18:
score: 0
Accepted
time: 1ms
memory: 4236kb
input:
50 100 1 0
output:
-1
result:
ok 1 number(s): "-1"
Test #19:
score: 0
Accepted
time: 1ms
memory: 4408kb
input:
100 100 10 10
output:
35
result:
ok 1 number(s): "35"
Test #20:
score: 0
Accepted
time: 1ms
memory: 4484kb
input:
100 100 10 1
output:
37
result:
ok 1 number(s): "37"
Test #21:
score: 0
Accepted
time: 0ms
memory: 4196kb
input:
100 100 10 20
output:
33
result:
ok 1 number(s): "33"
Test #22:
score: 0
Accepted
time: 1ms
memory: 4444kb
input:
100 100 10 30
output:
31
result:
ok 1 number(s): "31"
Test #23:
score: 0
Accepted
time: 1ms
memory: 4152kb
input:
100 100 10 80
output:
21
result:
ok 1 number(s): "21"
Test #24:
score: 0
Accepted
time: 1ms
memory: 4236kb
input:
100 100 1 100
output:
199
result:
ok 1 number(s): "199"
Test #25:
score: 0
Accepted
time: 1ms
memory: 4268kb
input:
100 100 5 0
output:
95
result:
ok 1 number(s): "95"
Test #26:
score: 0
Accepted
time: 2ms
memory: 4208kb
input:
100 100 25 3
output:
13
result:
ok 1 number(s): "13"
Test #27:
score: 0
Accepted
time: 0ms
memory: 4500kb
input:
100 100 30 4
output:
11
result:
ok 1 number(s): "11"
Test #28:
score: 0
Accepted
time: 1ms
memory: 4124kb
input:
95 100 3 3
output:
125
result:
ok 1 number(s): "125"
Test #29:
score: 0
Accepted
time: 6ms
memory: 4260kb
input:
98 99 50 6
output:
5
result:
ok 1 number(s): "5"
Test #30:
score: 0
Accepted
time: 3ms
memory: 4240kb
input:
100 100 45 4
output:
7
result:
ok 1 number(s): "7"
Test #31:
score: 0
Accepted
time: 5ms
memory: 4532kb
input:
100 100 40 39
output:
7
result:
ok 1 number(s): "7"
Test #32:
score: 0
Accepted
time: 7ms
memory: 4560kb
input:
100 100 45 19
output:
7
result:
ok 1 number(s): "7"
Test #33:
score: 0
Accepted
time: 12ms
memory: 4348kb
input:
100 100 49 99
output:
5
result:
ok 1 number(s): "5"
Test #34:
score: 0
Accepted
time: 12ms
memory: 4392kb
input:
100 100 49 100
output:
5
result:
ok 1 number(s): "5"
Test #35:
score: 0
Accepted
time: 12ms
memory: 4336kb
input:
100 100 49 98
output:
5
result:
ok 1 number(s): "5"
Test #36:
score: 0
Accepted
time: 12ms
memory: 4376kb
input:
100 100 49 97
output:
5
result:
ok 1 number(s): "5"
Test #37:
score: 0
Accepted
time: 12ms
memory: 4400kb
input:
100 100 49 96
output:
5
result:
ok 1 number(s): "5"
Test #38:
score: 0
Accepted
time: 12ms
memory: 4396kb
input:
100 100 49 95
output:
5
result:
ok 1 number(s): "5"
Test #39:
score: 0
Accepted
time: 1ms
memory: 4160kb
input:
100 100 100 0
output:
1
result:
ok 1 number(s): "1"
Test #40:
score: 0
Accepted
time: 1ms
memory: 4124kb
input:
1 100 1 0
output:
1
result:
ok 1 number(s): "1"
Test #41:
score: 0
Accepted
time: 1ms
memory: 4236kb
input:
90 100 5 5
output:
87
result:
ok 1 number(s): "87"
Test #42:
score: 0
Accepted
time: 1ms
memory: 4480kb
input:
100 1 1 0
output:
199
result:
ok 1 number(s): "199"
Test #43:
score: 0
Accepted
time: 2ms
memory: 4244kb
input:
94 61 22 35
output:
9
result:
ok 1 number(s): "9"
Test #44:
score: 0
Accepted
time: 2ms
memory: 4504kb
input:
61 92 36 6
output:
7
result:
ok 1 number(s): "7"
Test #45:
score: 0
Accepted
time: 0ms
memory: 4244kb
input:
73 89 12 4
output:
57
result:
ok 1 number(s): "57"
Test #46:
score: 0
Accepted
time: 1ms
memory: 4476kb
input:
71 80 4 3
output:
-1
result:
ok 1 number(s): "-1"
Test #47:
score: 0
Accepted
time: 0ms
memory: 4124kb
input:
44 75 2 31
output:
85
result:
ok 1 number(s): "85"
Test #48:
score: 0
Accepted
time: 1ms
memory: 4224kb
input:
48 62 5 18
output:
35
result:
ok 1 number(s): "35"
Test #49:
score: 0
Accepted
time: 2ms
memory: 4236kb
input:
73 100 22 49
output:
9
result:
ok 1 number(s): "9"
Extra Test:
score: 0
Extra Test Passed