QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #511426 | #7781. Sheep Eat Wolves | Welcome24ever | AC ✓ | 20ms | 4072kb | C++20 | 2.9kb | 2024-08-09 21:03:23 | 2024-09-05 08:24:13 |
Judging History
answer
// __ __ ___ ___ __ __
// /\ \ __/\ \ /\_ \ /'___'\ /\ \ \
// \ \ \/\ \ \ \ __\//\ \ ___ ___ ___ ___ __ /\_\ /\ \ \ \ \ __ __ __ __ _ __
// \ \ \ \ \ \ \ /'__'\ \ \ /'___\ / __'\ /' __' __'\ /'__'\/_/// /__\ \ \ \_ /'__'\/\ \/\ \ /'__'\/\''__\
// \ \ \_/ \_\ \/\ __/ \_\ \_/\ \__//\ \L\ \/\ \/\ \/\ \/\ __/ // /_\ \ \__ ,__\/\ __/\ \ \_/ |/\ __/\ \ \/
// \ '\___x___/\ \____\/\____\ \____\ \____/\ \_\ \_\ \_\ \____\/\______/ \/_/\_\_/\ \____\ \___/ \ \____\ \_\
// '\/__//__/ \/____/\/____/\/____/\/___/ \/_/\/_/\/_/\/____/\/_____/ \/_/ \/____/ \/__/ \/____/ \/_/
// bilibili:24Records
// link:https://space.bilibili.com/3546387113314828
// blog link:https://welcome24ever.github.io/24Records/
//
// Then,we just singing like.
// Welcome To Forever.
#include "bits/stdc++.h"
using namespace std;
const int Welcome24ever = 0;
#define endl '\n'
#define fixset(x) fixed << setprecision(x)
#define int long long
typedef long long ll; typedef pair<int,int> PII;
long double pi = acos(-1);
const int MOD = 1e9 + 7; const int N = 2e5+10;
int dp[105][105][2];
void NeverSayNever() {
for (int i = 0; i < 105; ++i) {
for (int j = 0; j < 105; ++j) {
dp[i][j][1] = dp[i][j][0] = -1;
}
}
struct node {
int x, y, f;
};
int n, m, p, q;
cin >> n >> m >> p >> q;
queue<node> Q;
Q.push({n, m, 0});
dp[n][m][0] = 0;
while (!Q.empty()) {
auto [x, y, f] = Q.front();
Q.pop();
if (x == 0) {
cout << dp[x][y][f] << endl;
return;
}
if (f == 0) {
for (int i = 0; i <= min(p, x); ++i) {
for (int j = 0; j <= min(p - i, y); ++j) {
if (x - i > 0 && y - j > x - i + q) {
continue;
}
if (dp[x - i][y - j][f ^ 1] == -1) {
dp[x - i][y - j][f ^ 1] = dp[x][y][f] + 1;
Q.push({x - i, y - j, f ^ 1});
}
}
}
} else {
for (int i = 0; i <= min(p, n - x); ++i) {
for (int j = 0; j <= min(p - i, m - y); ++j) {
if (n - x - i > 0 && m - y - j > n - x - i + q) {
continue;
}
if (dp[x + i][y + j][f ^ 1] == -1) {
dp[x + i][y + j][f ^ 1] = dp[x][y][f] + 1;
Q.push({x + i, y + j, f ^ 1});
}
}
}
}
}
cout << -1 << endl;
}
signed main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int T = 1;
//cin >> T;
while (T--) {
NeverSayNever();
}
return Welcome24ever;
}
这程序好像有点Bug，我给组数据试试？
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3692kb
input:
4 4 3 1
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3764kb
input:
3 5 2 0
output:
5
result:
ok 1 number(s): "5"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3644kb
input:
2 5 1 1
output:
-1
result:
ok 1 number(s): "-1"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3700kb
input:
1 1 1 0
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3748kb
input:
3 3 1 1
output:
7
result:
ok 1 number(s): "7"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3688kb
input:
3 3 2 1
output:
3
result:
ok 1 number(s): "3"
Test #7:
score: 0
Accepted
time: 0ms
memory: 3780kb
input:
10 9 1 10
output:
19
result:
ok 1 number(s): "19"
Test #8:
score: 0
Accepted
time: 0ms
memory: 3716kb
input:
15 20 2 5
output:
27
result:
ok 1 number(s): "27"
Test #9:
score: 0
Accepted
time: 0ms
memory: 3648kb
input:
18 40 16 7
output:
5
result:
ok 1 number(s): "5"
Test #10:
score: 0
Accepted
time: 1ms
memory: 3988kb
input:
60 60 8 1
output:
27
result:
ok 1 number(s): "27"
Test #11:
score: 0
Accepted
time: 1ms
memory: 3708kb
input:
60 60 8 4
output:
27
result:
ok 1 number(s): "27"
Test #12:
score: 0
Accepted
time: 1ms
memory: 3716kb
input:
60 60 8 8
output:
25
result:
ok 1 number(s): "25"
Test #13:
score: 0
Accepted
time: 1ms
memory: 3776kb
input:
60 60 16 1
output:
13
result:
ok 1 number(s): "13"
Test #14:
score: 0
Accepted
time: 1ms
memory: 3928kb
input:
60 60 16 8
output:
11
result:
ok 1 number(s): "11"
Test #15:
score: 0
Accepted
time: 1ms
memory: 3768kb
input:
60 60 16 16
output:
11
result:
ok 1 number(s): "11"
Test #16:
score: 0
Accepted
time: 1ms
memory: 3712kb
input:
60 60 16 24
output:
9
result:
ok 1 number(s): "9"
Test #17:
score: 0
Accepted
time: 0ms
memory: 3776kb
input:
75 15 1 1
output:
175
result:
ok 1 number(s): "175"
Test #18:
score: 0
Accepted
time: 0ms
memory: 3980kb
input:
50 100 1 0
output:
-1
result:
ok 1 number(s): "-1"
Test #19:
score: 0
Accepted
time: 1ms
memory: 3788kb
input:
100 100 10 10
output:
35
result:
ok 1 number(s): "35"
Test #20:
score: 0
Accepted
time: 0ms
memory: 4000kb
input:
100 100 10 1
output:
37
result:
ok 1 number(s): "37"
Test #21:
score: 0
Accepted
time: 1ms
memory: 3780kb
input:
100 100 10 20
output:
33
result:
ok 1 number(s): "33"
Test #22:
score: 0
Accepted
time: 0ms
memory: 3788kb
input:
100 100 10 30
output:
31
result:
ok 1 number(s): "31"
Test #23:
score: 0
Accepted
time: 0ms
memory: 3784kb
input:
100 100 10 80
output:
21
result:
ok 1 number(s): "21"
Test #24:
score: 0
Accepted
time: 1ms
memory: 3992kb
input:
100 100 1 100
output:
199
result:
ok 1 number(s): "199"
Test #25:
score: 0
Accepted
time: 0ms
memory: 3764kb
input:
100 100 5 0
output:
95
result:
ok 1 number(s): "95"
Test #26:
score: 0
Accepted
time: 3ms
memory: 3724kb
input:
100 100 25 3
output:
13
result:
ok 1 number(s): "13"
Test #27:
score: 0
Accepted
time: 4ms
memory: 4028kb
input:
100 100 30 4
output:
11
result:
ok 1 number(s): "11"
Test #28:
score: 0
Accepted
time: 0ms
memory: 3776kb
input:
95 100 3 3
output:
125
result:
ok 1 number(s): "125"
Test #29:
score: 0
Accepted
time: 8ms
memory: 3712kb
input:
98 99 50 6
output:
5
result:
ok 1 number(s): "5"
Test #30:
score: 0
Accepted
time: 5ms
memory: 3760kb
input:
100 100 45 4
output:
7
result:
ok 1 number(s): "7"
Test #31:
score: 0
Accepted
time: 11ms
memory: 3772kb
input:
100 100 40 39
output:
7
result:
ok 1 number(s): "7"
Test #32:
score: 0
Accepted
time: 12ms
memory: 3844kb
input:
100 100 45 19
output:
7
result:
ok 1 number(s): "7"
Test #33:
score: 0
Accepted
time: 20ms
memory: 4072kb
input:
100 100 49 99
output:
5
result:
ok 1 number(s): "5"
Test #34:
score: 0
Accepted
time: 20ms
memory: 4072kb
input:
100 100 49 100
output:
5
result:
ok 1 number(s): "5"
Test #35:
score: 0
Accepted
time: 20ms
memory: 3888kb
input:
100 100 49 98
output:
5
result:
ok 1 number(s): "5"
Test #36:
score: 0
Accepted
time: 20ms
memory: 3820kb
input:
100 100 49 97
output:
5
result:
ok 1 number(s): "5"
Test #37:
score: 0
Accepted
time: 20ms
memory: 3820kb
input:
100 100 49 96
output:
5
result:
ok 1 number(s): "5"
Test #38:
score: 0
Accepted
time: 20ms
memory: 3836kb
input:
100 100 49 95
output:
5
result:
ok 1 number(s): "5"
Test #39:
score: 0
Accepted
time: 4ms
memory: 3784kb
input:
100 100 100 0
output:
1
result:
ok 1 number(s): "1"
Test #40:
score: 0
Accepted
time: 0ms
memory: 3760kb
input:
1 100 1 0
output:
1
result:
ok 1 number(s): "1"
Test #41:
score: 0
Accepted
time: 0ms
memory: 3760kb
input:
90 100 5 5
output:
87
result:
ok 1 number(s): "87"
Test #42:
score: 0
Accepted
time: 0ms
memory: 3912kb
input:
100 1 1 0
output:
199
result:
ok 1 number(s): "199"
Test #43:
score: 0
Accepted
time: 3ms
memory: 3800kb
input:
94 61 22 35
output:
9
result:
ok 1 number(s): "9"
Test #44:
score: 0
Accepted
time: 2ms
memory: 4024kb
input:
61 92 36 6
output:
7
result:
ok 1 number(s): "7"
Test #45:
score: 0
Accepted
time: 1ms
memory: 3956kb
input:
73 89 12 4
output:
57
result:
ok 1 number(s): "57"
Test #46:
score: 0
Accepted
time: 0ms
memory: 3992kb
input:
71 80 4 3
output:
-1
result:
ok 1 number(s): "-1"
Test #47:
score: 0
Accepted
time: 0ms
memory: 3992kb
input:
44 75 2 31
output:
85
result:
ok 1 number(s): "85"
Test #48:
score: 0
Accepted
time: 0ms
memory: 3784kb
input:
48 62 5 18
output:
35
result:
ok 1 number(s): "35"
Test #49:
score: 0
Accepted
time: 3ms
memory: 4020kb
input:
73 100 22 49
output:
9
result:
ok 1 number(s): "9"
Extra Test:
score: 0
Extra Test Passed