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 |
---|---|---|---|---|---|---|---|---|---|
#678882 | #7781. Sheep Eat Wolves | surenjamts# | WA | 26ms | 49448kb | C++17 | 1.9kb | 2024-10-26 16:21:15 | 2024-10-26 16:21:22 |
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;
};
vector<node> adj[105][105][2];
int d[105][105][2];
node par[105][105][2];
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] = 1e9;
for(int dif = 100; dif >= -100; dif--){
int a = (p - dif)/2;
int b = a + dif;
// if(dif == 2) cout << a << " " << b << '\n';
if(a < 0 || a > i || b < 0 || b > j || a + b > p) continue;
// cout << "i , j:" << i << " " << j << '\n';
if(check(i - a, j - b, 1)) adj[i][j][0].push_back({i - a, j - b, 1});
}
for(int k = 0; k <=x - i; k++){
if(k <= p && check(i + k, j, 0)) adj[i][j][1].pb({i + k, j, 0});
}
for(int k = 0; k <=y - j; k++){
if(k <= p && check(i, j + k, 0)) adj[i][j][1].pb({i, j + k, 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;
par[next.s][next.w][next.side] = it;
q.push(next);
}
}
}
int ans = 1e9;
for(int j = 0; j <= y; j++){
ans = min(ans, d[0][j][1]);
}
if(ans == 1e9) cout << "-1\n";
else cout << ans << '\n';
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 4068kb
input:
4 4 3 1
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 1ms
memory: 4264kb
input:
3 5 2 0
output:
5
result:
ok 1 number(s): "5"
Test #3:
score: 0
Accepted
time: 1ms
memory: 4196kb
input:
2 5 1 1
output:
-1
result:
ok 1 number(s): "-1"
Test #4:
score: 0
Accepted
time: 1ms
memory: 4092kb
input:
1 1 1 0
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 1ms
memory: 4332kb
input:
3 3 1 1
output:
7
result:
ok 1 number(s): "7"
Test #6:
score: 0
Accepted
time: 1ms
memory: 4128kb
input:
3 3 2 1
output:
3
result:
ok 1 number(s): "3"
Test #7:
score: 0
Accepted
time: 1ms
memory: 4116kb
input:
10 9 1 10
output:
19
result:
ok 1 number(s): "19"
Test #8:
score: 0
Accepted
time: 1ms
memory: 4280kb
input:
15 20 2 5
output:
27
result:
ok 1 number(s): "27"
Test #9:
score: 0
Accepted
time: 1ms
memory: 4948kb
input:
18 40 16 7
output:
5
result:
ok 1 number(s): "5"
Test #10:
score: 0
Accepted
time: 0ms
memory: 7128kb
input:
60 60 8 1
output:
27
result:
ok 1 number(s): "27"
Test #11:
score: 0
Accepted
time: 0ms
memory: 7156kb
input:
60 60 8 4
output:
27
result:
ok 1 number(s): "27"
Test #12:
score: 0
Accepted
time: 0ms
memory: 7464kb
input:
60 60 8 8
output:
25
result:
ok 1 number(s): "25"
Test #13:
score: 0
Accepted
time: 2ms
memory: 8448kb
input:
60 60 16 1
output:
13
result:
ok 1 number(s): "13"
Test #14:
score: 0
Accepted
time: 0ms
memory: 9380kb
input:
60 60 16 8
output:
11
result:
ok 1 number(s): "11"
Test #15:
score: 0
Accepted
time: 2ms
memory: 10544kb
input:
60 60 16 16
output:
11
result:
ok 1 number(s): "11"
Test #16:
score: 0
Accepted
time: 3ms
memory: 11208kb
input:
60 60 16 24
output:
9
result:
ok 1 number(s): "9"
Test #17:
score: 0
Accepted
time: 1ms
memory: 4828kb
input:
75 15 1 1
output:
175
result:
ok 1 number(s): "175"
Test #18:
score: 0
Accepted
time: 2ms
memory: 4680kb
input:
50 100 1 0
output:
-1
result:
ok 1 number(s): "-1"
Test #19:
score: 0
Accepted
time: 4ms
memory: 13500kb
input:
100 100 10 10
output:
35
result:
ok 1 number(s): "35"
Test #20:
score: 0
Accepted
time: 8ms
memory: 12304kb
input:
100 100 10 1
output:
37
result:
ok 1 number(s): "37"
Test #21:
score: 0
Accepted
time: 6ms
memory: 14800kb
input:
100 100 10 20
output:
33
result:
ok 1 number(s): "33"
Test #22:
score: 0
Accepted
time: 10ms
memory: 15712kb
input:
100 100 10 30
output:
31
result:
ok 1 number(s): "31"
Test #23:
score: 0
Accepted
time: 11ms
memory: 19008kb
input:
100 100 10 80
output:
21
result:
ok 1 number(s): "21"
Test #24:
score: 0
Accepted
time: 3ms
memory: 6984kb
input:
100 100 1 100
output:
199
result:
ok 1 number(s): "199"
Test #25:
score: 0
Accepted
time: 6ms
memory: 8684kb
input:
100 100 5 0
output:
95
result:
ok 1 number(s): "95"
Test #26:
score: 0
Accepted
time: 11ms
memory: 20180kb
input:
100 100 25 3
output:
13
result:
ok 1 number(s): "13"
Test #27:
score: 0
Accepted
time: 13ms
memory: 21648kb
input:
100 100 30 4
output:
11
result:
ok 1 number(s): "11"
Test #28:
score: 0
Accepted
time: 5ms
memory: 6728kb
input:
95 100 3 3
output:
125
result:
ok 1 number(s): "125"
Test #29:
score: 0
Accepted
time: 17ms
memory: 30596kb
input:
98 99 50 6
output:
5
result:
ok 1 number(s): "5"
Test #30:
score: 0
Accepted
time: 17ms
memory: 29160kb
input:
100 100 45 4
output:
7
result:
ok 1 number(s): "7"
Test #31:
score: 0
Accepted
time: 14ms
memory: 40896kb
input:
100 100 40 39
output:
7
result:
ok 1 number(s): "7"
Test #32:
score: 0
Accepted
time: 25ms
memory: 35872kb
input:
100 100 45 19
output:
7
result:
ok 1 number(s): "7"
Test #33:
score: 0
Accepted
time: 22ms
memory: 49240kb
input:
100 100 49 99
output:
5
result:
ok 1 number(s): "5"
Test #34:
score: 0
Accepted
time: 23ms
memory: 49448kb
input:
100 100 49 100
output:
5
result:
ok 1 number(s): "5"
Test #35:
score: 0
Accepted
time: 11ms
memory: 49240kb
input:
100 100 49 98
output:
5
result:
ok 1 number(s): "5"
Test #36:
score: 0
Accepted
time: 23ms
memory: 49412kb
input:
100 100 49 97
output:
5
result:
ok 1 number(s): "5"
Test #37:
score: 0
Accepted
time: 26ms
memory: 49264kb
input:
100 100 49 96
output:
5
result:
ok 1 number(s): "5"
Test #38:
score: 0
Accepted
time: 19ms
memory: 49256kb
input:
100 100 49 95
output:
5
result:
ok 1 number(s): "5"
Test #39:
score: 0
Accepted
time: 21ms
memory: 30212kb
input:
100 100 100 0
output:
1
result:
ok 1 number(s): "1"
Test #40:
score: 0
Accepted
time: 1ms
memory: 4136kb
input:
1 100 1 0
output:
1
result:
ok 1 number(s): "1"
Test #41:
score: 0
Accepted
time: 6ms
memory: 8212kb
input:
90 100 5 5
output:
87
result:
ok 1 number(s): "87"
Test #42:
score: 0
Accepted
time: 0ms
memory: 4708kb
input:
100 1 1 0
output:
199
result:
ok 1 number(s): "199"
Test #43:
score: 0
Accepted
time: 6ms
memory: 18512kb
input:
94 61 22 35
output:
9
result:
ok 1 number(s): "9"
Test #44:
score: 0
Accepted
time: 8ms
memory: 12556kb
input:
61 92 36 6
output:
7
result:
ok 1 number(s): "7"
Test #45:
score: 0
Accepted
time: 6ms
memory: 9408kb
input:
73 89 12 4
output:
57
result:
ok 1 number(s): "57"
Test #46:
score: 0
Accepted
time: 4ms
memory: 6324kb
input:
71 80 4 3
output:
-1
result:
ok 1 number(s): "-1"
Test #47:
score: 0
Accepted
time: 2ms
memory: 5368kb
input:
44 75 2 31
output:
85
result:
ok 1 number(s): "85"
Test #48:
score: 0
Accepted
time: 2ms
memory: 6004kb
input:
48 62 5 18
output:
35
result:
ok 1 number(s): "35"
Test #49:
score: 0
Accepted
time: 11ms
memory: 20632kb
input:
73 100 22 49
output:
9
result:
ok 1 number(s): "9"
Extra Test:
score: -3
Extra Test Failed : Wrong Answer on 4
time: 0ms
memory: 4060kb
input:
1 25 30 70
output:
-1
result:
wrong answer 1st numbers differ - expected: '1', found: '-1'