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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
#712967#5537. Storing EggsMeatInTheMiddleWA 20ms8840kbC++174.6kb2024-11-05 17:39:452024-11-05 17:39:55

Judging History

This is the latest submission verdict.

  • [2024-11-05 17:39:55]
  • Judged
  • Verdict: WA
  • Time: 20ms
  • Memory: 8840kb
  • [2024-11-05 17:39:45]
  • Submitted

answer

#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const ll mod = 1e9 + 7;

const double inf = 50000;
double d[101][1 << 3][101][1 << 3];
double dd[1 << 3] = {inf, inf, inf, 1, inf, 2, 1, 1};
int dp[101][1 << 3];
int n, k;

bool valid(double x) {
    for (int i = 0; i <= n; i++)
        for (int is = 1; is < (1 << 3); is++) dp[i][is] = 0;
    for (int i = 0; i <= n; i++) {
        for (int is = 0; is < (1 << 3); is++) {
            for (int j = i + 1; j <= n; j++) {
                for (int js = 1; js < (1 << 3); js++) {
                    if (i + 1 == j && i >= 2 && is) {
                        for (int ks = 1; ks < (1 << 3); ks++) {
                            double mn = min({d[i][is][j][js], d[i - 1][ks][j][js], d[i - 1][ks][i][is]});
                            // cout << i << " " << is << " " << j << " " << js << " " << ks << "\n";
                            // cout << "mn: " << d[i][is][j][js] << " " << d[i - 1][ks][j][js] << " " << d[i - 1][ks][i][is] << " - " << mn << "\n";
                            if (mn >= x) {
                                dp[j][js] = max(dp[j][js], dp[i - 1][ks] + __builtin_popcount(is) + __builtin_popcount(js));
                                // cout << "!!: " << dp[i - 1][ks] << "\n";
                                // cout << j << " " << js << " is now " << dp[j][js] << "\n";
                            }
                        }
                    } else {
                        if (d[i][is][j][js] >= x) dp[j][js] = max(dp[j][js], dp[i][is] + __builtin_popcount(js));
                    }
                }
            }
        }
    }

    int mx = 0;
    for (int i = 0; i <= n; i++)
        for (int is = 1; is < (1 << 3); is++) {
            mx = max(mx, dp[i][is]);
        }
    if (mx >= k) return true;
    else return false;
}

void solve() {
    cin >> n >> k;
    vector<string> s(3);
    int scnt = 0;
    for (auto& si : s) {
        cin >> si;
        si = '0' + si;
        for (auto& sij : si)
            if (sij == '#') scnt += 1;
    }
    if (3 * n - scnt < k) {
        cout << "-1\n";
        return;
    }
    for (int j = 1; j <= n; j++)
        for (int js = 1; js < (1 << 3); js++) {
            bool tmp = false;
            for (int jj = 0; jj < 3; jj++) {
                if ((js & (1 << jj)) && s[jj][j] == '#') {
                    d[0][0][j][js] = 0;
                    tmp = true;
                    break;
                }
            }
            if (!tmp) d[0][0][j][js] = dd[js];
            // cout << 0 << " " << 0 << " " << j << " " << js << " : " << d[0][0][j][js] << "\n";
        }
    for (int i = 1; i <= n; i++) {
        for (int is = 1; is < (1 << 3); is++) {
            bool can = true;
            for (int ii = 0; ii < 3; ii++) {
                if ((is & (1 << ii)) && s[ii][i] == '#') {
                    can = false;
                    break;
                }
            }
            if (!can) continue;
            for (int j = i + 1; j <= n; j++) {
                for (int js = 1; js < (1 << 3); js++) {
                    bool ccan = true;
                    for (int jj = 0; jj < 3; jj++) {
                        if ((js & (1 << jj)) && s[jj][j] == '#') {
                            ccan = false;
                            break;
                        }
                    }
                    if (!ccan) continue;
                    d[i][is][j][js] = dd[js];
                    for (int ii = 0; ii < 3; ii++) {
                        if ((is & (1 << ii)) == 0) continue;
                        for (int jj = 0; jj < 3; jj++) {
                            if ((js & (1 << jj)) == 0) continue;
                            d[i][is][j][js] = min(d[i][is][j][js], sqrt(double((i - j) * (i - j) + (ii - jj) * (ii - jj))));
                        }
                    }
                    if (d[i][is][j][js] == inf) d[i][is][j][js] = 0;
                    // cout << i << " " << is << " " << j << " " << js << " : " << d[i][is][j][js] << "\n";
                }
            }
        }
    }
    double lo = 0, hi = 1000;
    for (int i = 0; i < 60; i++) {
        double mid = (lo + hi) / 2;
        if (valid(mid)) lo = mid;
        else hi = mid;
    }
    cout << fixed;
    cout.precision(8);
    cout << hi << "\n";
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int T = 1;
    // cin >> T;
    while (T--) solve();
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 4016kb

input:

5 2
#....
.....
....#

output:

4.47213595

result:

ok found '4.4721360', expected '4.4721360', error '0.0000000'

Test #2:

score: 0
Accepted
time: 0ms
memory: 3848kb

input:

5 6
##.##
#####
.....

output:

1.00000000

result:

ok found '1.0000000', expected '1.0000000', error '0.0000000'

Test #3:

score: 0
Accepted
time: 0ms
memory: 3888kb

input:

3 4
..#
...
...

output:

1.41421356

result:

ok found '1.4142136', expected '1.4142140', error '0.0000003'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3788kb

input:

2 6
..
.#
..

output:

-1

result:

ok found '-1.0000000', expected '-1.0000000', error '-0.0000000'

Test #5:

score: 0
Accepted
time: 0ms
memory: 4044kb

input:

1 2
.
.
.

output:

2.00000000

result:

ok found '2.0000000', expected '2.0000000', error '0.0000000'

Test #6:

score: 0
Accepted
time: 12ms
memory: 8780kb

input:

100 2
....................................................................................................
....................................................................................................
...............................................................................................

output:

99.02019996

result:

ok found '99.0202000', expected '99.0202000', error '0.0000000'

Test #7:

score: 0
Accepted
time: 12ms
memory: 8496kb

input:

100 3
....................................................................................................
....................................................................................................
...............................................................................................

output:

49.04079934

result:

ok found '49.0407993', expected '49.0407990', error '0.0000000'

Test #8:

score: 0
Accepted
time: 14ms
memory: 8740kb

input:

100 100
....................................................................................................
....................................................................................................
.............................................................................................

output:

2.00000000

result:

ok found '2.0000000', expected '2.0000000', error '0.0000000'

Test #9:

score: 0
Accepted
time: 16ms
memory: 8180kb

input:

100 150
....................................................................................................
....................................................................................................
.............................................................................................

output:

1.41421356

result:

ok found '1.4142136', expected '1.4142140', error '0.0000003'

Test #10:

score: 0
Accepted
time: 20ms
memory: 8632kb

input:

100 151
....................................................................................................
....................................................................................................
.............................................................................................

output:

1.00000000

result:

ok found '1.0000000', expected '1.0000000', error '0.0000000'

Test #11:

score: 0
Accepted
time: 20ms
memory: 8644kb

input:

100 200
....................................................................................................
....................................................................................................
.............................................................................................

output:

1.00000000

result:

ok found '1.0000000', expected '1.0000000', error '0.0000000'

Test #12:

score: 0
Accepted
time: 20ms
memory: 8840kb

input:

100 201
....................................................................................................
....................................................................................................
.............................................................................................

output:

1.00000000

result:

ok found '1.0000000', expected '1.0000000', error '0.0000000'

Test #13:

score: 0
Accepted
time: 6ms
memory: 8276kb

input:

60 130
............................................................
............................................................
............................................................

output:

1.00000000

result:

ok found '1.0000000', expected '1.0000000', error '0.0000000'

Test #14:

score: 0
Accepted
time: 13ms
memory: 7012kb

input:

100 100
....................................................................................................
####################################################################################################
.............................................................................................

output:

2.00000000

result:

ok found '2.0000000', expected '2.0000000', error '0.0000000'

Test #15:

score: 0
Accepted
time: 11ms
memory: 8024kb

input:

100 51
####################################################################################################
....................................................................................................
###########################################################################################...

output:

1.00000000

result:

ok found '1.0000000', expected '1.0000000', error '0.0000000'

Test #16:

score: 0
Accepted
time: 1ms
memory: 3632kb

input:

1 2
#
#
#

output:

-1

result:

ok found '-1.0000000', expected '-1.0000000', error '-0.0000000'

Test #17:

score: 0
Accepted
time: 7ms
memory: 6216kb

input:

99 50
###################################################################################################
...................................................................................................
##############################################################################################...

output:

2.00000000

result:

ok found '2.0000000', expected '2.0000000', error '0.0000000'

Test #18:

score: 0
Accepted
time: 8ms
memory: 6684kb

input:

100 47
#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.
.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#
#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#...

output:

2.82842712

result:

ok found '2.8284271', expected '2.8284270', error '0.0000000'

Test #19:

score: 0
Accepted
time: 13ms
memory: 8092kb

input:

100 43
.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#
#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.
.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#.#....

output:

2.82842712

result:

ok found '2.8284271', expected '2.8284270', error '0.0000000'

Test #20:

score: 0
Accepted
time: 13ms
memory: 7952kb

input:

99 2
#........#............#.#.#...................................#................##..............#...
............................##...#......#...##.............#.........#..#...#............#...#.....
#...............................................#..............#.....#.........#.........#........

output:

98.00510191

result:

ok found '98.0051019', expected '98.0051020', error '0.0000000'

Test #21:

score: 0
Accepted
time: 8ms
memory: 6072kb

input:

90 2
#############..######.###.##.#########.###.###########.####.##############################
#...##########.#.#################.############.########################.#################
###################.###.##.####.#######..##.########.#############################.#######

output:

81.00617260

result:

ok found '81.0061726', expected '81.0061730', error '0.0000000'

Test #22:

score: 0
Accepted
time: 9ms
memory: 7664kb

input:

95 3
#.#..............#.............#.......#..##.....#.#............#....#..................##.....
.....#.#........#...#...........#......................#...#.....#.........#.....#...........#.
#.......#.#....#.......#.......#.......#..#.#.#.#....#.#...#..#......#........#..........#....#

output:

47.01063709

result:

ok found '47.0106371', expected '47.0106370', error '0.0000000'

Test #23:

score: 0
Accepted
time: 9ms
memory: 5952kb

input:

92 3
#########################.###########################.####################################.#
#######.##############.#.#################.#########.########.#############################.
###.##.####.###.####.#####.########.#########.########.##.#######.##########################

output:

42.00000000

result:

ok found '42.0000000', expected '42.0000000', error '0.0000000'

Test #24:

score: 0
Accepted
time: 6ms
memory: 7624kb

input:

93 4
##..#.......................#.....#.#.#..............#.....#........#.....................#..
......#...................#..##...................#...............###.....#....#..........#.#
#......#.........#....#.................#......#...#......##..........#.........#.#..#.#..#.#

output:

30.06659276

result:

ok found '30.0665928', expected '30.0665930', error '0.0000000'

Test #25:

score: 0
Accepted
time: 8ms
memory: 6140kb

input:

92 4
###.###############.######.##.#########################.######.###.#####.###################
#.##..#####################.###########################.########..###############.#######...
#######################.###.############.##..####.#################.#.#..####.##############

output:

28.01785145

result:

ok found '28.0178514', expected '28.0178510', error '0.0000000'

Test #26:

score: 0
Accepted
time: 8ms
memory: 7836kb

input:

94 5
#........#....#.................................................#.....................#.......
#................#...............#..##..................#........#.......#...#................
##..................................................##................#.......#...............

output:

23.02172887

result:

ok found '23.0217289', expected '23.0217290', error '0.0000000'

Test #27:

score: 0
Accepted
time: 1ms
memory: 3824kb

input:

1 2
#
.
.

output:

1.00000000

result:

ok found '1.0000000', expected '1.0000000', error '0.0000000'

Test #28:

score: 0
Accepted
time: 9ms
memory: 5956kb

input:

94 5
##..#.######.##.########.#####.#####.############..##.##############################..########
#######.########.##########.#..################.####.#.###...######..##.######################
######.############.######.#####################.################.##.##############.##########

output:

18.02775638

result:

ok found '18.0277564', expected '18.0277560', error '0.0000000'

Test #29:

score: 0
Accepted
time: 8ms
memory: 8596kb

input:

90 6
#.................#....................#................#.#.........###...................
....................................#........#...................#...##...##....#.....#...
#.#...........#...#........#..#....#.#....................#.........#.....................

output:

17.11724277

result:

ok found '17.1172428', expected '17.1172430', error '0.0000000'

Test #30:

score: 0
Accepted
time: 8ms
memory: 8048kb

input:

100 6
##########.##.##################.###########.###########.##.######################.####.##.#########
##########...#########.#.########.#################.#.###########.#.##########.#.##.################
##############.#####..#######..##################.#######################.########.#########...

output:

16.03121954

result:

ok found '16.0312195', expected '16.0312200', error '0.0000000'

Test #31:

score: 0
Accepted
time: 8ms
memory: 8296kb

input:

92 7
#.#....#..#...#.......#.........................................#.......#...#.............#.
...............#......#............#...#.........................#.....#..............#.....
#..#......#...............#.................#....#............................#.............

output:

15.13274595

result:

ok found '15.1327460', expected '15.1327460', error '0.0000000'

Test #32:

score: 0
Accepted
time: 3ms
memory: 7956kb

input:

92 7
##.###########..######.###############.#.##.#################.##.#############.######.###.##
#############.###############.##..#####################.######.#..#########.###.############
.###.########.###################.########.###################..#######...#########.#####.##

output:

14.03566885

result:

ok found '14.0356689', expected '14.0356690', error '0.0000000'

Test #33:

score: 0
Accepted
time: 7ms
memory: 8272kb

input:

91 8
#..................#..#..............#......................#.......#..........#...#..#....
#....#.#.....#..#......#.....#.................#..#...........................#.........#..
#.......#......#..........#............#.....#...................#..............#.....#....

output:

12.16552506

result:

ok found '12.1655251', expected '12.1655250', error '0.0000000'

Test #34:

score: 0
Accepted
time: 8ms
memory: 5956kb

input:

93 8
############.###########.#######################.############.##.###.######################.#
############.####.###########.#######.####.##########.#######.####.###################.####..
#####.#######.###########.#####.#############.#.##################.##########################

output:

8.06225775

result:

ok found '8.0622578', expected '8.0622580', error '0.0000000'

Test #35:

score: 0
Accepted
time: 15ms
memory: 7876kb

input:

100 109
..#.....#..............#....................#..#.......#.............#................#.#...........
#............##.........#..........#.#....#...............#...#.......#................#...........#
.....#..#......#................................................................#............

output:

1.41421356

result:

ok found '1.4142136', expected '1.4142140', error '0.0000003'

Test #36:

score: 0
Accepted
time: 12ms
memory: 7696kb

input:

97 13
..##...#..........#.........##....##......#............#..........###........#.....#.........#...
##..#....#.............#....#...#.##............#........#.#.#.....................#.......#..#..
........#..#....##.........#.#....#.....#.......#.#...................#......#.......#......##...

output:

8.06225775

result:

ok found '8.0622578', expected '8.0622580', error '0.0000000'

Test #37:

score: 0
Accepted
time: 10ms
memory: 8520kb

input:

100 50
....#......#..................#.......#..#.....#........#.........#......#....#............##.......
#.....##........#.#...........##..#....##....#.#.........##....#.##...........#.....................
......##........#...#....#...#...#............#.......##.#..........##......##....##..#...#...

output:

2.23606798

result:

ok found '2.2360680', expected '2.2360680', error '0.0000000'

Test #38:

score: 0
Accepted
time: 0ms
memory: 3564kb

input:

1 3
#
.
.

output:

-1

result:

ok found '-1.0000000', expected '-1.0000000', error '-0.0000000'

Test #39:

score: 0
Accepted
time: 8ms
memory: 8300kb

input:

92 107
..#........#...#...#.....#....#........#...#.......#.........#..#.........#...##.......##.#.
..##.......#..#....##.#..##.#.##........#............#..#.......#..##..............#....#...
#...#.....#..........#........#.....##.#.................#....##...........#............#...

output:

1.41421356

result:

ok found '1.4142136', expected '1.4142140', error '0.0000003'

Test #40:

score: 0
Accepted
time: 14ms
memory: 8420kb

input:

95 125
...##.......#..#.#.............#..##...#..................#......#...##..#.....##....#.......#.
.........#.....#.#....#....#..##.....#...#...#......#...........##..#........#.#...#.#........#
.#..#....................##.........#...#...........#...........#...#...#..........##.....#.##.

output:

1.00000000

result:

ok found '1.0000000', expected '1.0000000', error '0.0000000'

Test #41:

score: 0
Accepted
time: 6ms
memory: 6836kb

input:

93 20
#############################################################################################
.#.....#.......###.#..#.###....#...............##...#.....#..#...#...........#.....#....#..#.
....##.....#....#.#......#......#...........#.....#................#......#...#.##........#..

output:

4.12310563

result:

ok found '4.1231056', expected '4.1231060', error '0.0000001'

Test #42:

score: 0
Accepted
time: 10ms
memory: 8056kb

input:

97 21
#################################################################################################
#################################################################################################
......###........#.....#...#.#.........##.#......#.####.##......#....#........#...##....#......#.

output:

4.00000000

result:

ok found '4.0000000', expected '4.0000000', error '0.0000000'

Test #43:

score: 0
Accepted
time: 6ms
memory: 6844kb

input:

93 7
#...#..##..#..#....#...#......#...####.###..##.##.#..#.#.###.##......#..###....#.#..#.#.#...#
.#.#....##..##.##.#...##..##.#..............####.....##.#.#.#.#.#..##....#...#.#.#.......#...
###.###......#.#.#.#...###....#.#.##..#..#...#...#.##.#..##...#.####.#..##.#.###....#.#...#.#

output:

15.13274595

result:

ok found '15.1327460', expected '15.1327460', error '0.0000000'

Test #44:

score: 0
Accepted
time: 6ms
memory: 6592kb

input:

91 15
.##.#..#......#.#####..###....##..#.#...#..##..#.##.....#....#.######.#.#.#......##..##..#.
..#..########....#..#...#.###.#............#.#.#..#..#..#.#.##...##....###.#...#.###..####.
...#.##..####..#.#.#.....#.#..#.#...##.##.#....#....#..#..##.......#####..###.#.#.#.##...#.

output:

6.32455532

result:

ok found '6.3245553', expected '6.3245550', error '0.0000001'

Test #45:

score: -100
Wrong Answer
time: 11ms
memory: 6984kb

input:

98 58
.#..##.....#............###.#####.##.....#.#..#.#.....####..##.##.#.......##...##..#..#....#..#..#
#.#.##.#.#...#.....###...#....##..#..#...#####.##.#.#..#.#.##.#...####.##.#.....###.##.###.#....#.
....#..##..##.##..##...#..#....#.......###...#....#.##..#...#..#.....#....#.#.......####.#.#..#.#.

output:

2.00000000

result:

wrong answer 1st numbers differ - expected: '2.2360680', found: '2.0000000', error = '0.1055728'