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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#566871#9158. 分数jay_jayjay85 423ms3948kbC++141.7kb2024-09-16 02:44:452024-09-16 02:44:46

Judging History

你现在查看的是最新测评结果

  • [2024-09-16 02:44:46]
  • 评测
  • 测评结果:85
  • 用时:423ms
  • 内存:3948kb
  • [2024-09-16 02:44:45]
  • 提交

answer

#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define inf 0x3f3f3f3f
#define infl 0x3f3f3f3f3f3f3f3f

#define all(x) (x).begin(),(x).end()

struct { template<class T> operator T() { int x; cin >> x; return x; } } in;

ll cnt=0;
int n,m;

bool feasible(ll a, ll b, ll c, ll d, ll x) {
        return a+c*x<=n && b+d*x<=m;
}

void solve_x(ll a, ll b, ll c, ll d, ll mx) {
        if(!feasible(a,b,c,d,mx)) return;
        // (a+cx) / (b+dx)
        ll delta = 0;
        if(c) delta += min((n-a)/c/2, (m-b)/d/2) - mx/2 + 1;
        else delta += (m-b)/d/2 - mx/2 + 1;
        assert(delta>=0);
        cnt+=delta;
        //printf("\t%lld + %lld x / %lld + %lld x | %lld | %lld\n",a,c,b,d,mx,delta);
        for(ll u=2; feasible(b,b+u*a,d,d+u*c,mx); u+=2) {
                //printf("s2->s2 %d %d / %d %d -> %d %d / %d %d\n",a,c,b,d,b,d,a+u*b,c+u*d);
                solve_x(b, a+u*b, d, c+u*d, max(mx,u));
        }
}

void solve(ll a, ll b, ll mx) {
        if(!feasible(b,a,0,b,mx)) return;
        // a / b
        for(ll u=2; feasible(a+u*b,b,0,a+u*b,max(mx,u)); u+=2) {
                solve(b, a + u * b, max(mx, u));
                //printf("s1->s1 %d / %d to %d / %d\n", a, b, b, a+u*b);
        }
        //printf("s1->s2 %d %d to %d %d / %d %d\n",a,b,b,0,a,b);
        solve_x(b, a, 0, b, mx+2);
}

int main()
{
        n=in, m=in;
        if(n<m)swap(n,m);
        // n >= m

        //solve(1,0,0);
        //printf("<1---\n");
        solve(0,1,0);
        swap(n,m);
        //printf(">1---\n");
        solve(0,1,0);

        printf("%lld\n",cnt);
}

Details

Tip: Click on the bar to expand more detailed information

Pretests

Pretest #1:

score: 5
Accepted
time: 0ms
memory: 3768kb

input:

99 99

output:

406

result:

ok 1 number(s): "406"

Pretest #2:

score: 5
Accepted
time: 0ms
memory: 3808kb

input:

98 97

output:

405

result:

ok 1 number(s): "405"

Pretest #3:

score: 5
Accepted
time: 0ms
memory: 3848kb

input:

99 96

output:

396

result:

ok 1 number(s): "396"

Pretest #4:

score: 5
Accepted
time: 0ms
memory: 3876kb

input:

995 977

output:

11153

result:

ok 1 number(s): "11153"

Pretest #5:

score: 5
Accepted
time: 0ms
memory: 3828kb

input:

991 990

output:

11220

result:

ok 1 number(s): "11220"

Pretest #6:

score: 5
Accepted
time: 0ms
memory: 3820kb

input:

976 968

output:

10900

result:

ok 1 number(s): "10900"

Pretest #7:

score: 5
Accepted
time: 1ms
memory: 3824kb

input:

7602 7864

output:

215706

result:

ok 1 number(s): "215706"

Pretest #8:

score: 5
Accepted
time: 1ms
memory: 3948kb

input:

7959 7735

output:

220256

result:

ok 1 number(s): "220256"

Pretest #9:

score: 5
Accepted
time: 1ms
memory: 3824kb

input:

7878 7863

output:

221162

result:

ok 1 number(s): "221162"

Pretest #10:

score: 5
Accepted
time: 1ms
memory: 3772kb

input:

7788 7658

output:

215323

result:

ok 1 number(s): "215323"

Pretest #11:

score: 5
Accepted
time: 18ms
memory: 3804kb

input:

95399 99767

output:

8285295

result:

ok 1 number(s): "8285295"

Pretest #12:

score: 5
Accepted
time: 15ms
memory: 3764kb

input:

98051 99642

output:

8439713

result:

ok 1 number(s): "8439713"

Pretest #13:

score: 5
Accepted
time: 15ms
memory: 3836kb

input:

95624 96007

output:

8068127

result:

ok 1 number(s): "8068127"

Pretest #14:

score: 5
Accepted
time: 19ms
memory: 3748kb

input:

99208 98047

output:

8412610

result:

ok 1 number(s): "8412610"

Pretest #15:

score: 5
Accepted
time: 423ms
memory: 3820kb

input:

997417 967722

output:

229917323

result:

ok 1 number(s): "229917323"

Pretest #16:

score: 5
Accepted
time: 410ms
memory: 3832kb

input:

987807 956529

output:

226426912

result:

ok 1 number(s): "226426912"

Pretest #17:

score: 5
Accepted
time: 419ms
memory: 3840kb

input:

971654 984345

output:

228363805

result:

ok 1 number(s): "228363805"

Pretest #18:

score: 0
Time Limit Exceeded

input:

7892259 7983727

output:


result:


Pretest #19:

score: 0
Time Limit Exceeded

input:

7937869 29796968

output:


result:


Pretest #20:

score: 0
Time Limit Exceeded

input:

29717543 29510173

output:


result:



Final Tests

Test #1:

score: 5
Accepted
time: 0ms
memory: 3756kb

input:

96 98

output:

396

result:

ok 1 number(s): "396"

Test #2:

score: 5
Accepted
time: 0ms
memory: 3784kb

input:

100 99

output:

408

result:

ok 1 number(s): "408"

Test #3:

score: 5
Accepted
time: 0ms
memory: 3820kb

input:

99 99

output:

406

result:

ok 1 number(s): "406"

Test #4:

score: 5
Accepted
time: 0ms
memory: 3760kb

input:

963 951

output:

10634

result:

ok 1 number(s): "10634"

Test #5:

score: 5
Accepted
time: 0ms
memory: 3944kb

input:

958 974

output:

10795

result:

ok 1 number(s): "10795"

Test #6:

score: 5
Accepted
time: 0ms
memory: 3784kb

input:

966 990

output:

11003

result:

ok 1 number(s): "11003"

Test #7:

score: 5
Accepted
time: 1ms
memory: 3876kb

input:

7958 7947

output:

224482

result:

ok 1 number(s): "224482"

Test #8:

score: 5
Accepted
time: 1ms
memory: 3804kb

input:

7623 7730

output:

213444

result:

ok 1 number(s): "213444"

Test #9:

score: 5
Accepted
time: 1ms
memory: 3840kb

input:

7845 7783

output:

218916

result:

ok 1 number(s): "218916"

Test #10:

score: 5
Accepted
time: 1ms
memory: 3800kb

input:

7881 7773

output:

219451

result:

ok 1 number(s): "219451"

Test #11:

score: 5
Accepted
time: 19ms
memory: 3844kb

input:

99414 98698

output:

8465217

result:

ok 1 number(s): "8465217"

Test #12:

score: 5
Accepted
time: 18ms
memory: 3820kb

input:

98249 96148

output:

8237486

result:

ok 1 number(s): "8237486"

Test #13:

score: 5
Accepted
time: 18ms
memory: 3888kb

input:

99003 96832

output:

8324931

result:

ok 1 number(s): "8324931"

Test #14:

score: 5
Accepted
time: 18ms
memory: 3780kb

input:

98266 96030

output:

8231065

result:

ok 1 number(s): "8231065"

Test #15:

score: 5
Accepted
time: 407ms
memory: 3780kb

input:

968207 958885

output:

223522215

result:

ok 1 number(s): "223522215"

Test #16:

score: 5
Accepted
time: 415ms
memory: 3840kb

input:

959846 998397

output:

228770873

result:

ok 1 number(s): "228770873"

Test #17:

score: 5
Accepted
time: 412ms
memory: 3752kb

input:

965821 972280

output:

225359210

result:

ok 1 number(s): "225359210"

Test #18:

score: 0
Time Limit Exceeded

input:

7855098 7962479

output:


result:


Test #19:

score: 0
Time Limit Exceeded

input:

7841076 29648718

output:


result:


Test #20:

score: 0
Time Limit Exceeded

input:

29365129 29012208

output:


result: