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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#598891#5259. Skills in PillssxyeWA 0ms3712kbC++201.8kb2024-09-28 23:56:292024-09-28 23:56:37

Judging History

你现在查看的是最新测评结果

  • [2024-09-28 23:56:37]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3712kb
  • [2024-09-28 23:56:29]
  • 提交

answer

#include <bits/stdc++.h>

int exgcd(int a, int b, int &x, int &y){
    if(b == 0){
        x = 1, y = 0;
        return a;
    }
    int d = exgcd(b, a % b, y, x);
    y -= a / b * x;
    return d;
}

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

    int a, b, n;
    std::cin >> a >> b >> n;

    int d, x, y;
    d = exgcd(a, b, x, y);
    int xp = (x + b) % b, yp = (y + a) % a;

    int la = 0, lb = 0, ans = 0,  sa = a - n % a - 1, sb = b - n % b - 1;
    for(int i = 1; i <= n; i ++){
        if(la < i && la + a <= n){
            la += a;
            ans ++;
        }
        if(lb < i && lb + b <= n){
            lb += b;
            ans ++;
        }
        // std::cout << la << " " << lb << " " << sa << " " << sb << "\n";
        if(la && la == lb){
            if(sa && !sb){
                sa --;
                la --;
            }else if(!sa && sb){
                sb --;
                lb --;
            }else if(sa && sb){
                if(d == 1){
                    if(xp * a < yp * b){
                        sa --;
                        la --;
                    }else{
                        sb --;
                        lb --;
                    }
                }else{
                    la --;
                    sa --;
                }
            }else{
                if(d == 1){
                    if(xp * a < yp * b){
                        sa += a - 1;
                        la --;
                    }else{
                        sb += b - 1;
                        lb --;
                    }
                }else{
                    la --;
                    sa += a - 1;
                }
            }
        }
    }

    std::cout << ans;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3668kb

input:

3 9 20

output:

8

result:

ok single line: '8'

Test #2:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

8 2 12

output:

7

result:

ok single line: '7'

Test #3:

score: 0
Accepted
time: 0ms
memory: 3656kb

input:

2 5 15

output:

10

result:

ok single line: '10'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3568kb

input:

10 8 13

output:

2

result:

ok single line: '2'

Test #5:

score: 0
Accepted
time: 0ms
memory: 3712kb

input:

6 6 19

output:

6

result:

ok single line: '6'

Test #6:

score: 0
Accepted
time: 0ms
memory: 3644kb

input:

2 3 5

output:

3

result:

ok single line: '3'

Test #7:

score: 0
Accepted
time: 0ms
memory: 3556kb

input:

4 2 8

output:

6

result:

ok single line: '6'

Test #8:

score: 0
Accepted
time: 0ms
memory: 3692kb

input:

5 5 5

output:

2

result:

ok single line: '2'

Test #9:

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

input:

3 8 11

output:

4

result:

ok single line: '4'

Test #10:

score: 0
Accepted
time: 0ms
memory: 3652kb

input:

5 8 16

output:

5

result:

ok single line: '5'

Test #11:

score: 0
Accepted
time: 0ms
memory: 3652kb

input:

9 7 279

output:

70

result:

ok single line: '70'

Test #12:

score: 0
Accepted
time: 0ms
memory: 3664kb

input:

8 3 56

output:

25

result:

ok single line: '25'

Test #13:

score: 0
Accepted
time: 0ms
memory: 3640kb

input:

5 9 46

output:

14

result:

ok single line: '14'

Test #14:

score: 0
Accepted
time: 0ms
memory: 3640kb

input:

8 4 251

output:

93

result:

ok single line: '93'

Test #15:

score: 0
Accepted
time: 0ms
memory: 3604kb

input:

8 7 41

output:

10

result:

ok single line: '10'

Test #16:

score: 0
Accepted
time: 0ms
memory: 3572kb

input:

60 17 360

output:

27

result:

ok single line: '27'

Test #17:

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

input:

16 55 388

output:

31

result:

ok single line: '31'

Test #18:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

25 38 292

output:

18

result:

ok single line: '18'

Test #19:

score: 0
Accepted
time: 0ms
memory: 3640kb

input:

22 59 177

output:

11

result:

ok single line: '11'

Test #20:

score: -100
Wrong Answer
time: 0ms
memory: 3640kb

input:

4 3 82

output:

52

result:

wrong answer 1st lines differ - expected: '50', found: '52'