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
#124698	#5154. ETA	jzh^#	AC ✓	2ms	3504kb	C++14	954b	2023-07-15 13:56:31	2023-07-15 13:56:32

Judging History

你现在查看的是最新测评结果

[2023-08-10 23:21:45]
System Update: QOJ starts to keep a history of the judgings of all the submissions.

[2023-07-15 13:56:32]
评测

测评结果：AC
用时：2ms
内存：3504kb

查看

[2023-07-15 13:56:31]
提交

answer

#include <bits/stdc++.h>

using namespace std;

using ll = long long;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    ll a, b; char ch;
    cin >> b >> ch >> a;

    for(ll temp = a ; temp <= 1e6 ; temp += a) {
        ll mn = temp-1;
        ll mx = temp * (temp-1) / 2;
        if(temp/a * b < mn or temp/a * b > mx) continue;

        ll ans = temp/a*b, sum = (temp-1)*temp/2;
        vector<ll>fa(temp+1);
        for(ll i = 2 ; i <= temp ; i ++) fa[i] = i-1;
        
        for(ll i = temp ; i >= 2;  i --) {
            if(sum>ans) {
                ll delta = min(sum-ans, i-2);
                fa[i] -= delta;
                sum -= delta;
            }
        }
        cout << temp << ' ' << temp-1 << '\n';
        for(int i = 2 ; i <= temp ; i ++) {
            cout << i << ' ' << fa[i] << '\n';
        }
        return 0;
    }
    cout << "impossible\n";

    return 0;
}

源文件, 语言: C++14

詳細信息

Test #1:

score: 100

Accepted

time: 1ms

memory: 3468kb

input:

1/2

output:

2 1
2 1

result:

ok

Test #2:

score: 0

Accepted

time: 2ms

memory: 3460kb

input:

1/3

output:

impossible

result:

ok

Test #3:

score: 0

Accepted

time: 1ms

memory: 3492kb

input:

7/4

output:

result:

ok

Test #4:

score: 0

Accepted

time: 1ms

memory: 3384kb

input:

974/975

output:

result:

ok

Test #5:

score: 0

Accepted

time: 1ms

memory: 3404kb

input:

943/346

output:

result:

ok

Test #6:

score: 0

Accepted

time: 0ms

memory: 3396kb

input:

912/7

output:

result:

ok

Test #7:

score: 0

Accepted

time: 0ms

memory: 3384kb

input:

1/1

output:

3 2
2 1
3 2

result:

ok

Test #8:

score: 0

Accepted

time: 0ms

memory: 3460kb

input:

1/1000

output:

impossible

result:

ok

Test #9:

score: 0

Accepted

time: 1ms

memory: 3496kb

input:

1000/999

output:

result:

ok

Test #10:

score: 0

Accepted

time: 1ms

memory: 3404kb

input:

999/1000

output:

result:

ok

Test #11:

score: 0

Accepted

time: 1ms

memory: 3416kb

input:

1000/1

output:

result:

ok

Test #12:

score: 0

Accepted

time: 1ms

memory: 3448kb

input:

999/2

output:

result:

ok

Test #13:

score: 0

Accepted

time: 1ms

memory: 3452kb

input:

1000/3

output:

result:

ok

Test #14:

score: 0

Accepted

time: 1ms

memory: 3496kb

input:

26/3

output:

result:

ok

Test #15:

score: 0

Accepted

time: 1ms

memory: 3456kb

input:

79/9

output:

result:

ok

Test #16:

score: 0

Accepted

time: 1ms

memory: 3436kb

input:

80/9

output:

result:

ok

Test #17:

score: 0

Accepted

time: 1ms

memory: 3400kb

input:

998/999

output:

result:

ok

Test #18:

score: 0

Accepted

time: 1ms

memory: 3436kb

input:

997/999

output:

impossible

result:

ok

Test #19:

score: 0

Accepted

time: 1ms

memory: 3392kb

input:

997/1000

output:

impossible

result:

ok

Test #20:

score: 0

Accepted

time: 1ms

memory: 3424kb

input:

99/200

output:

impossible

result:

ok

Test #21:

score: 0

Accepted

time: 0ms

memory: 3416kb

input:

101/200

output:

impossible

result:

ok

Test #22:

score: 0

Accepted

time: 1ms

memory: 3464kb

input:

99/199

output:

impossible

result:

ok

Test #23:

score: 0

Accepted

time: 1ms

memory: 3400kb

input:

2/1

output:

result:

ok

Test #24:

score: 0

Accepted

time: 1ms

memory: 3408kb

input:

200/99

output:

result:

ok

Test #25:

score: 0

Accepted

time: 1ms

memory: 3404kb

input:

200/101

output:

result:

ok

Test #26:

score: 0

Accepted

time: 1ms

memory: 3400kb

input:

199/100

output:

result:

ok

Test #27:

score: 0

Accepted

time: 0ms

memory: 3448kb

input:

201/100

output:

result:

ok

Test #28:

score: 0

Accepted

time: 1ms

memory: 3444kb

input:

999/500

output:

result:

ok

Test #29:

score: 0

Accepted

time: 0ms

memory: 3464kb

input:

333/167

output:

result:

ok

Test #30:

score: 0

Accepted

time: 1ms

memory: 3468kb

input:

3/1

output:

result:

ok

Test #31:

score: 0

Accepted

time: 1ms

memory: 3476kb

input:

301/100

output:

result:

ok

Test #32:

score: 0

Accepted

time: 1ms

memory: 3476kb

input:

299/100

output:

result:

ok

Test #33:

score: 0

Accepted

time: 1ms

memory: 3468kb

input:

1000/333

output:

result:

ok

Test #34:

score: 0

Accepted

time: 1ms

memory: 3444kb

input:

500/167

output:

result:

ok

Test #35:

score: 0

Accepted

time: 1ms

memory: 3456kb

input:

14/5

output:

result:

ok

Test #36:

score: 0

Accepted

time: 1ms

memory: 3384kb

input:

16/5

output:

result:

ok

Test #37:

score: 0

Accepted

time: 1ms

memory: 3392kb

input:

15/4

output:

result:

ok

Test #38:

score: 0

Accepted

time: 1ms

memory: 3400kb

input:

5/2

output:

result:

ok

Test #39:

score: 0

Accepted

time: 0ms

memory: 3388kb

input:

409/19

output:

result:

ok

Test #40:

score: 0

Accepted

time: 1ms

memory: 3444kb

input:

818/39

output:

result:

ok

Test #41:

score: 0

Accepted

time: 1ms

memory: 3440kb

input:

409/20

output:

result:

ok

Test #42:

score: 0

Accepted

time: 0ms

memory: 3396kb

input:

818/41

output:

result:

ok

Test #43:

score: 0

Accepted

time: 1ms

memory: 3400kb

input:

819/38

output:

result:

ok

Test #44:

score: 0

Accepted

time: 1ms

memory: 3396kb

input:

21/1

output:

result:

ok

Test #45:

score: 0

Accepted

time: 1ms

memory: 3492kb

input:

819/40

output:

result:

ok

Test #46:

score: 0

Accepted

time: 1ms

memory: 3400kb

input:

819/41

output:

result:

ok

Test #47:

score: 0

Accepted

time: 1ms

memory: 3396kb

input:

410/19

output:

result:

ok

Test #48:

score: 0

Accepted

time: 0ms

memory: 3428kb

input:

820/39

output:

result:

ok

Test #49:

score: 0

Accepted

time: 1ms

memory: 3440kb

input:

41/2

output:

result:

ok

Test #50:

score: 0

Accepted

time: 1ms

memory: 3440kb

input:

20/1

output:

result:

ok

Test #51:

score: 0

Accepted

time: 1ms

memory: 3464kb

input:

821/38

output:

result:

ok

Test #52:

score: 0

Accepted

time: 0ms

memory: 3464kb

input:

821/39

output:

result:

ok

Test #53:

score: 0

Accepted

time: 1ms

memory: 3428kb

input:

821/40

output:

result:

ok

Test #54:

score: 0

Accepted

time: 0ms

memory: 3412kb

input:

821/41

output:

result:

ok

Test #55:

score: 0

Accepted

time: 1ms

memory: 3360kb

input:

512/1

output:

result:

ok

Test #56:

score: 0

Accepted

time: 0ms

memory: 3408kb

input:

729/1

output:

result:

ok

Test #57:

score: 0

Accepted

time: 0ms

memory: 3448kb

input:

625/1

output:

result:

ok

Test #58:

score: 0

Accepted

time: 1ms

memory: 3388kb

input:

127/626

output:

impossible

result:

ok

Test #59:

score: 0

Accepted

time: 0ms

memory: 3428kb

input:

429/838

output:

impossible

result:

ok

Test #60:

score: 0

Accepted

time: 0ms

memory: 3424kb

input:

563/710

output:

impossible

result:

ok

Test #61:

score: 0

Accepted

time: 1ms

memory: 3456kb

input:

40/207

output:

impossible

result:

ok

Test #62:

score: 0

Accepted

time: 1ms

memory: 3484kb

input:

145/298

output:

impossible

result:

ok

Test #63:

score: 0

Accepted

time: 1ms

memory: 3436kb

input:

109/286

output:

impossible

result:

ok

Test #64:

score: 0

Accepted

time: 1ms

memory: 3456kb

input:

219/305

output:

impossible

result:

ok

Test #65:

score: 0

Accepted

time: 1ms

memory: 3432kb

input:

11/258

output:

impossible

result:

ok

Test #66:

score: 0

Accepted

time: 1ms

memory: 3464kb

input:

59/105

output:

impossible

result:

ok

Test #67:

score: 0

Accepted

time: 1ms

memory: 3484kb

input:

59/660

output:

impossible

result:

ok

Test #68:

score: 0

Accepted

time: 1ms

memory: 3452kb

input:

209/210

output:

result:

ok

Test #69:

score: 0

Accepted

time: 1ms

memory: 3448kb

input:

484/485

output:

result:

ok

Test #70:

score: 0

Accepted

time: 1ms

memory: 3404kb

input:

178/179

output:

result:

ok

Test #71:

score: 0

Accepted

time: 1ms

memory: 3504kb

input:

947/948

output:

result:

ok

Test #72:

score: 0

Accepted

time: 1ms

memory: 3448kb

input:

635/636

output:

result:

ok

Test #73:

score: 0

Accepted

time: 1ms

memory: 3424kb

input:

11/12

output:

result:

ok

Test #74:

score: 0

Accepted

time: 1ms

memory: 3464kb

input:

451/452

output:

result:

ok

Test #75:

score: 0

Accepted

time: 1ms

memory: 3440kb

input:

144/145

output:

result:

ok

Test #76:

score: 0

Accepted

time: 1ms

memory: 3448kb

input:

478/479

output:

result:

ok

Test #77:

score: 0

Accepted

time: 1ms

memory: 3400kb

input:

603/604

output:

result:

ok

Test #78:

score: 0

Accepted

time: 1ms

memory: 3388kb

input:

34/897

output:

impossible

result:

ok

Test #79:

score: 0

Accepted

time: 1ms

memory: 3440kb

input:

794/101

output:

result:

ok

Test #80:

score: 0

Accepted

time: 1ms

memory: 3444kb

input:

303/169

output:

result:

ok

Test #81:

score: 0

Accepted

time: 0ms

memory: 3348kb

input:

539/734

output:

impossible

result:

ok

Test #82:

score: 0

Accepted

time: 1ms

memory: 3472kb

input:

725/603

output:

result:

ok

Test #83:

score: 0

Accepted

time: 1ms

memory: 3432kb

input:

83/393

output:

impossible

result:

ok

Test #84:

score: 0

Accepted

time: 1ms

memory: 3464kb

input:

713/855

output:

impossible

result:

ok

Test #85:

score: 0

Accepted

time: 1ms

memory: 3456kb

input:

349/753

output:

impossible

result:

ok

Test #86:

score: 0

Accepted

time: 1ms

memory: 3408kb

input:

505/87

output:

result:

ok

Test #87:

score: 0

Accepted

time: 1ms

memory: 3456kb

input:

631/690

output:

impossible

result:

ok

Test #88:

score: 0

Accepted

time: 1ms

memory: 3428kb

input:

357/104

output:

result:

ok

Test #89:

score: 0

Accepted

time: 1ms

memory: 3388kb

input:

176/849

output:

impossible

result:

ok

Test #90:

score: 0

Accepted

time: 1ms

memory: 3460kb

input:

616/757

output:

impossible

result:

ok

Test #91:

score: 0

Accepted

time: 1ms

memory: 3392kb

input:

138/953

output:

impossible

result:

ok

Test #92:

score: 0

Accepted

time: 1ms

memory: 3460kb

input:

152/389

output:

impossible

result:

ok

Test #93:

score: 0

Accepted

time: 1ms

memory: 3436kb

input:

31/425

output:

impossible

result:

ok

Test #94:

score: 0

Accepted

time: 1ms

memory: 3436kb

input:

91/550

output:

impossible

result:

ok

Test #95:

score: 0

Accepted

time: 1ms

memory: 3424kb

input:

531/956

output:

impossible

result:

ok

Test #96:

score: 0

Accepted

time: 0ms

memory: 3444kb

input:

283/737

output:

impossible

result:

ok

Test #97:

score: 0

Accepted

time: 0ms

memory: 3400kb

input:

490/3

output:

result:

ok

Test #98:

score: 0

Accepted

time: 1ms

memory: 3400kb

input:

473/1

output:

result:

ok

Test #99:

score: 0

Accepted

time: 1ms

memory: 3452kb

input:

980/1

output:

result:

ok

Test #100:

score: 0

Accepted

time: 1ms

memory: 3468kb

input:

926/5

output:

result:

ok

Test #101:

score: 0

Accepted

time: 1ms

memory: 3492kb

input:

457/1

output:

result:

ok

Test #102:

score: 0

Accepted

time: 0ms

memory: 3408kb

input:

909/2

output:

result:

ok

Test #103:

score: 0

Accepted

time: 1ms

memory: 3440kb

input:

156/1

output:

result:

ok

Test #104:

score: 0

Accepted

time: 0ms

memory: 3468kb

input:

486/1

output:

result:

ok

Test #105:

score: 0

Accepted

time: 1ms

memory: 3404kb

input:

249/2

output:

result:

ok

Test #106:

score: 0

Accepted

time: 1ms

memory: 3476kb

input:

948/1

output:

result:

ok