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 |
|---|---|---|---|---|---|---|---|---|---|
| #776773 | #7781. Sheep Eat Wolves | ucup-team1412 | WA | 1ms | 3704kb | C++23 | 4.2kb | 2024-11-23 20:54:53 | 2024-11-23 20:54:54 |
Judging History
answer
#include <iostream>
using namespace std;
typedef long long ll;
#define endl '\n'
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
ll x, y, p, q;
cin >> x >> y >> p >> q;
ll ls = x, lw = y, rw = 0, rs = 0, ow = 0, os = 0;
ll loc = 0;
bool ok1 = true;
ll cnt1 = 0;
while (rs < x) {
ll onship = 0;
if (cnt1 > 5000) {
break;
}
if (loc == 0) {
if (ls <= p) {
cnt1++;
break;
}
while (lw > ls + q) {
lw--;
onship++;
ow++;
if (onship > p) {
ok1 = false;
break;
}
}
if (!ok1) break;
while (ls + q > lw && onship < p) {
ls--;
os++;
onship++;
}
while (onship < p) {
lw--;
onship++;
ow++;
if (onship < p) {
ls--;
onship++;
os++;
}
}
rw += ow;
rs += os;
ow = 0;
os = 0;
onship = 0;
cnt1++;
loc = 1;
}
else {
while (rw > rs + q && rs != 0) {
ow++;
rw--;
onship++;
if (onship > p) {
ok1 = false;
break;
}
}
if (!ok1) break;
lw += ow;
ow = 0;
onship = 0;
cnt1++;
loc = 0;
}
}
ls = x, lw = y, rw = 0, rs = 0, ow = 0, os = 0;
loc = 0;
bool ok2 = true;
ll cnt2 = 0;
if (ls > p) {
ls -= p;
lw -= p;
rw += p;
rs += p;
cnt2 += 4;
if (lw > ls + q) ok2 = false;
else {
while (rs < x) {
ll onship = 0;
if (cnt2 > 5000) {
break;
}
if (loc == 0) {
if (ls <= p) {
cnt2++;
break;
}
while (lw > ls + q) {
lw--;
onship++;
ow++;
if (onship > p) {
ok2 = false;
break;
}
}
if (!ok2) break;
while (ls + q > lw && onship < p) {
ls--;
os++;
onship++;
}
while (onship < p) {
lw--;
onship++;
ow++;
if (onship < p) {
ls--;
onship++;
os++;
}
}
rw += ow;
rs += os;
ow = 0;
os = 0;
onship = 0;
cnt2++;
loc = 2;
}
else {
while (rw > rs + q && rs != 0) {
ow++;
rw--;
onship++;
if (onship > p) {
ok2 = false;
break;
}
}
if (!ok2) break;
lw += ow;
ow = 0;
onship = 0;
cnt2++;
loc = 0;
}
}
}
}
else cnt2 = 1;
if (cnt2 > 5000) cout << -1;
else if (ok1 && ok2) {
cout << min(cnt1, cnt2);
}
else if (ok1) cout << cnt1;
else if (ok2) cout << cnt2;
else cout << -1;
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3548kb
input:
4 4 3 1
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
3 5 2 0
output:
5
result:
ok 1 number(s): "5"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
2 5 1 1
output:
-1
result:
ok 1 number(s): "-1"
Test #4:
score: 0
Accepted
time: 1ms
memory: 3632kb
input:
1 1 1 0
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3512kb
input:
3 3 1 1
output:
7
result:
ok 1 number(s): "7"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3696kb
input:
3 3 2 1
output:
3
result:
ok 1 number(s): "3"
Test #7:
score: 0
Accepted
time: 0ms
memory: 3644kb
input:
10 9 1 10
output:
19
result:
ok 1 number(s): "19"
Test #8:
score: 0
Accepted
time: 0ms
memory: 3696kb
input:
15 20 2 5
output:
27
result:
ok 1 number(s): "27"
Test #9:
score: 0
Accepted
time: 1ms
memory: 3608kb
input:
18 40 16 7
output:
5
result:
ok 1 number(s): "5"
Test #10:
score: 0
Accepted
time: 0ms
memory: 3680kb
input:
60 60 8 1
output:
27
result:
ok 1 number(s): "27"
Test #11:
score: 0
Accepted
time: 0ms
memory: 3628kb
input:
60 60 8 4
output:
27
result:
ok 1 number(s): "27"
Test #12:
score: 0
Accepted
time: 0ms
memory: 3608kb
input:
60 60 8 8
output:
25
result:
ok 1 number(s): "25"
Test #13:
score: 0
Accepted
time: 0ms
memory: 3544kb
input:
60 60 16 1
output:
13
result:
ok 1 number(s): "13"
Test #14:
score: 0
Accepted
time: 0ms
memory: 3552kb
input:
60 60 16 8
output:
11
result:
ok 1 number(s): "11"
Test #15:
score: 0
Accepted
time: 1ms
memory: 3548kb
input:
60 60 16 16
output:
11
result:
ok 1 number(s): "11"
Test #16:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
60 60 16 24
output:
9
result:
ok 1 number(s): "9"
Test #17:
score: 0
Accepted
time: 0ms
memory: 3572kb
input:
75 15 1 1
output:
175
result:
ok 1 number(s): "175"
Test #18:
score: 0
Accepted
time: 0ms
memory: 3628kb
input:
50 100 1 0
output:
-1
result:
ok 1 number(s): "-1"
Test #19:
score: 0
Accepted
time: 0ms
memory: 3640kb
input:
100 100 10 10
output:
35
result:
ok 1 number(s): "35"
Test #20:
score: 0
Accepted
time: 0ms
memory: 3680kb
input:
100 100 10 1
output:
37
result:
ok 1 number(s): "37"
Test #21:
score: 0
Accepted
time: 0ms
memory: 3628kb
input:
100 100 10 20
output:
33
result:
ok 1 number(s): "33"
Test #22:
score: 0
Accepted
time: 0ms
memory: 3608kb
input:
100 100 10 30
output:
31
result:
ok 1 number(s): "31"
Test #23:
score: 0
Accepted
time: 0ms
memory: 3576kb
input:
100 100 10 80
output:
21
result:
ok 1 number(s): "21"
Test #24:
score: 0
Accepted
time: 0ms
memory: 3640kb
input:
100 100 1 100
output:
199
result:
ok 1 number(s): "199"
Test #25:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
100 100 5 0
output:
95
result:
ok 1 number(s): "95"
Test #26:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
100 100 25 3
output:
13
result:
ok 1 number(s): "13"
Test #27:
score: 0
Accepted
time: 0ms
memory: 3572kb
input:
100 100 30 4
output:
11
result:
ok 1 number(s): "11"
Test #28:
score: 0
Accepted
time: 0ms
memory: 3700kb
input:
95 100 3 3
output:
125
result:
ok 1 number(s): "125"
Test #29:
score: 0
Accepted
time: 0ms
memory: 3552kb
input:
98 99 50 6
output:
5
result:
ok 1 number(s): "5"
Test #30:
score: 0
Accepted
time: 0ms
memory: 3640kb
input:
100 100 45 4
output:
7
result:
ok 1 number(s): "7"
Test #31:
score: 0
Accepted
time: 0ms
memory: 3552kb
input:
100 100 40 39
output:
7
result:
ok 1 number(s): "7"
Test #32:
score: 0
Accepted
time: 0ms
memory: 3704kb
input:
100 100 45 19
output:
7
result:
ok 1 number(s): "7"
Test #33:
score: 0
Accepted
time: 0ms
memory: 3508kb
input:
100 100 49 99
output:
5
result:
ok 1 number(s): "5"
Test #34:
score: 0
Accepted
time: 1ms
memory: 3636kb
input:
100 100 49 100
output:
5
result:
ok 1 number(s): "5"
Test #35:
score: 0
Accepted
time: 0ms
memory: 3548kb
input:
100 100 49 98
output:
5
result:
ok 1 number(s): "5"
Test #36:
score: 0
Accepted
time: 0ms
memory: 3552kb
input:
100 100 49 97
output:
5
result:
ok 1 number(s): "5"
Test #37:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
100 100 49 96
output:
5
result:
ok 1 number(s): "5"
Test #38:
score: 0
Accepted
time: 0ms
memory: 3628kb
input:
100 100 49 95
output:
5
result:
ok 1 number(s): "5"
Test #39:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
100 100 100 0
output:
1
result:
ok 1 number(s): "1"
Test #40:
score: 0
Accepted
time: 0ms
memory: 3556kb
input:
1 100 1 0
output:
1
result:
ok 1 number(s): "1"
Test #41:
score: -100
Wrong Answer
time: 0ms
memory: 3616kb
input:
90 100 5 5
output:
89
result:
wrong answer 1st numbers differ - expected: '87', found: '89'