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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 |
---|---|---|---|---|---|---|---|---|---|
#665539 | #7781. Sheep Eat Wolves | KIRITO1211 | AC ✓ | 361ms | 146296kb | C++17 | 2.1kb | 2024-10-22 13:56:34 | 2024-10-22 13:56:34 |
Judging History
answer
#pragma GCC optimize("Ofast")
#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>
#define int long long
using ll = long long;
using i64 = long long;
const int mod = 1e9 + 7;
// #define DEBUG
// 线段树合并信息
using viii = std::vector<std::vector<std::vector<int> > >;
using vii = std::vector<std::vector<int> >;
void solve() {
int x,y,p,q;std::cin>>x>>y>>p>>q;
viii dp(x + 2, vii(y + 2, std::vector<int>(2, 1e18)));
dp[x][y][0] = 0;
viii vis(x + 2, vii(y + 2, std::vector<int>(2, 0)));
std::queue<std::tuple<int, int, int> > qq;
qq.push({x, y, 0});
while(!qq.empty()){
auto [xx, yy, st] = qq.front();
qq.pop();
if(vis[xx][yy][st]) continue;
vis[xx][yy][st] = 1;
//std::cerr<<xx<<yy<<st<<'\n';
for(int i = 0;i <= x;i++){
for(int j = 0;j <= y;j++){
if(st == 0){
if(i > xx || j > yy) continue;
if((j > i + q && i != 0)||( xx - i + yy - j > p))continue;
dp[i][j][1] = std::min(dp[i][j][1], dp[xx][yy][st] + 1);
qq.push({i, j, 1});
}
else{
if(i < xx || j < yy) continue;
if((y - j> x - i + q && x - i != 0)|| (i - xx + j - yy > p))continue;
dp[i][j][0] = std::min(dp[i][j][0], dp[xx][yy][st] + 1);
qq.push({i, j, 0});
}
}
}
}
int ans = 1e18;
for(int j = 0;j <= y;j++){
ans = std::min(ans, dp[0][j][0]);
ans = std::min(ans, dp[0][j][1]);
}
std::cout<<(ans == 1e18 ? -1 : ans)<<'\n';
}
signed main() {
std::ios::sync_with_stdio(false);
std::cin.tie(0);
std::cout<<std::fixed<<std::setprecision(10);
int t = 1;
// int res = 0;
// for(int i = 1;i <= 1145;i++) res |= i;
// std::cerr<<res<<'\n';
//std::cin>>t;
while (t--) {
solve();
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3620kb
input:
4 4 3 1
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3768kb
input:
3 5 2 0
output:
5
result:
ok 1 number(s): "5"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3516kb
input:
2 5 1 1
output:
-1
result:
ok 1 number(s): "-1"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3764kb
input:
1 1 1 0
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3556kb
input:
3 3 1 1
output:
7
result:
ok 1 number(s): "7"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3472kb
input:
3 3 2 1
output:
3
result:
ok 1 number(s): "3"
Test #7:
score: 0
Accepted
time: 0ms
memory: 3568kb
input:
10 9 1 10
output:
19
result:
ok 1 number(s): "19"
Test #8:
score: 0
Accepted
time: 1ms
memory: 3644kb
input:
15 20 2 5
output:
27
result:
ok 1 number(s): "27"
Test #9:
score: 0
Accepted
time: 0ms
memory: 3776kb
input:
18 40 16 7
output:
5
result:
ok 1 number(s): "5"
Test #10:
score: 0
Accepted
time: 8ms
memory: 3984kb
input:
60 60 8 1
output:
27
result:
ok 1 number(s): "27"
Test #11:
score: 0
Accepted
time: 10ms
memory: 4012kb
input:
60 60 8 4
output:
27
result:
ok 1 number(s): "27"
Test #12:
score: 0
Accepted
time: 13ms
memory: 4172kb
input:
60 60 8 8
output:
25
result:
ok 1 number(s): "25"
Test #13:
score: 0
Accepted
time: 13ms
memory: 4376kb
input:
60 60 16 1
output:
13
result:
ok 1 number(s): "13"
Test #14:
score: 0
Accepted
time: 13ms
memory: 4784kb
input:
60 60 16 8
output:
11
result:
ok 1 number(s): "11"
Test #15:
score: 0
Accepted
time: 23ms
memory: 5600kb
input:
60 60 16 16
output:
11
result:
ok 1 number(s): "11"
Test #16:
score: 0
Accepted
time: 27ms
memory: 5756kb
input:
60 60 16 24
output:
9
result:
ok 1 number(s): "9"
Test #17:
score: 0
Accepted
time: 3ms
memory: 3724kb
input:
75 15 1 1
output:
175
result:
ok 1 number(s): "175"
Test #18:
score: 0
Accepted
time: 0ms
memory: 4076kb
input:
50 100 1 0
output:
-1
result:
ok 1 number(s): "-1"
Test #19:
score: 0
Accepted
time: 73ms
memory: 5044kb
input:
100 100 10 10
output:
35
result:
ok 1 number(s): "35"
Test #20:
score: 0
Accepted
time: 36ms
memory: 4816kb
input:
100 100 10 1
output:
37
result:
ok 1 number(s): "37"
Test #21:
score: 0
Accepted
time: 97ms
memory: 5212kb
input:
100 100 10 20
output:
33
result:
ok 1 number(s): "33"
Test #22:
score: 0
Accepted
time: 120ms
memory: 5264kb
input:
100 100 10 30
output:
31
result:
ok 1 number(s): "31"
Test #23:
score: 0
Accepted
time: 180ms
memory: 6008kb
input:
100 100 10 80
output:
21
result:
ok 1 number(s): "21"
Test #24:
score: 0
Accepted
time: 163ms
memory: 4700kb
input:
100 100 1 100
output:
199
result:
ok 1 number(s): "199"
Test #25:
score: 0
Accepted
time: 18ms
memory: 4960kb
input:
100 100 5 0
output:
95
result:
ok 1 number(s): "95"
Test #26:
score: 0
Accepted
time: 85ms
memory: 6600kb
input:
100 100 25 3
output:
13
result:
ok 1 number(s): "13"
Test #27:
score: 0
Accepted
time: 97ms
memory: 8744kb
input:
100 100 30 4
output:
11
result:
ok 1 number(s): "11"
Test #28:
score: 0
Accepted
time: 16ms
memory: 4736kb
input:
95 100 3 3
output:
125
result:
ok 1 number(s): "125"
Test #29:
score: 0
Accepted
time: 126ms
memory: 30364kb
input:
98 99 50 6
output:
5
result:
ok 1 number(s): "5"
Test #30:
score: 0
Accepted
time: 118ms
memory: 19392kb
input:
100 100 45 4
output:
7
result:
ok 1 number(s): "7"
Test #31:
score: 0
Accepted
time: 231ms
memory: 56276kb
input:
100 100 40 39
output:
7
result:
ok 1 number(s): "7"
Test #32:
score: 0
Accepted
time: 187ms
memory: 46716kb
input:
100 100 45 19
output:
7
result:
ok 1 number(s): "7"
Test #33:
score: 0
Accepted
time: 340ms
memory: 145056kb
input:
100 100 49 99
output:
5
result:
ok 1 number(s): "5"
Test #34:
score: 0
Accepted
time: 349ms
memory: 145036kb
input:
100 100 49 100
output:
5
result:
ok 1 number(s): "5"
Test #35:
score: 0
Accepted
time: 344ms
memory: 145124kb
input:
100 100 49 98
output:
5
result:
ok 1 number(s): "5"
Test #36:
score: 0
Accepted
time: 347ms
memory: 146296kb
input:
100 100 49 97
output:
5
result:
ok 1 number(s): "5"
Test #37:
score: 0
Accepted
time: 361ms
memory: 145016kb
input:
100 100 49 96
output:
5
result:
ok 1 number(s): "5"
Test #38:
score: 0
Accepted
time: 350ms
memory: 145464kb
input:
100 100 49 95
output:
5
result:
ok 1 number(s): "5"
Test #39:
score: 0
Accepted
time: 172ms
memory: 141760kb
input:
100 100 100 0
output:
1
result:
ok 1 number(s): "1"
Test #40:
score: 0
Accepted
time: 0ms
memory: 3840kb
input:
1 100 1 0
output:
1
result:
ok 1 number(s): "1"
Test #41:
score: 0
Accepted
time: 19ms
memory: 4804kb
input:
90 100 5 5
output:
87
result:
ok 1 number(s): "87"
Test #42:
score: 0
Accepted
time: 1ms
memory: 3548kb
input:
100 1 1 0
output:
199
result:
ok 1 number(s): "199"
Test #43:
score: 0
Accepted
time: 79ms
memory: 12620kb
input:
94 61 22 35
output:
9
result:
ok 1 number(s): "9"
Test #44:
score: 0
Accepted
time: 23ms
memory: 5148kb
input:
61 92 36 6
output:
7
result:
ok 1 number(s): "7"
Test #45:
score: 0
Accepted
time: 15ms
memory: 4356kb
input:
73 89 12 4
output:
57
result:
ok 1 number(s): "57"
Test #46:
score: 0
Accepted
time: 1ms
memory: 4484kb
input:
71 80 4 3
output:
-1
result:
ok 1 number(s): "-1"
Test #47:
score: 0
Accepted
time: 11ms
memory: 4008kb
input:
44 75 2 31
output:
85
result:
ok 1 number(s): "85"
Test #48:
score: 0
Accepted
time: 10ms
memory: 4008kb
input:
48 62 5 18
output:
35
result:
ok 1 number(s): "35"
Test #49:
score: 0
Accepted
time: 104ms
memory: 11612kb
input:
73 100 22 49
output:
9
result:
ok 1 number(s): "9"
Extra Test:
score: 0
Extra Test Passed