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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#528122#9158. 分数sumi007#70 4176ms387344kbC++14930b2024-08-23 09:30:072024-08-23 09:30:07

Judging History

你现在查看的是最新测评结果

  • [2024-08-23 09:30:07]
  • 评测
  • 测评结果:70
  • 用时:4176ms
  • 内存:387344kb
  • [2024-08-23 09:30:07]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N = 3e5+1;
int n,m,ans,tot,pri[N],phi[N];
ll s[N];
unordered_map<int,int> vis[N];
int f(int i,int j){
    if(i==0 && j==1) return 1; 
    if(i>j) swap(i,j);
    if((j/i)%2 == 0) return f(j%(2*i),i);
    return 0;
}
void dfs(int i,int j){
    if(i>n || j>m || vis[i][j]) return ;
    vis[i][j] = 1,ans++,dfs(j,i),dfs(i+2*j,j);
}
int main(){
    // cin.tie(0),cout.tie(0);
    // ios::sync_with_stdio(0);
    // prework();
    cin >> n >> m;
    if(n<=8000 && m<=8000){
        for(int i=1;i<=n;i++){
            for(int j=1;j<=i/2;j++){
                if(__gcd(i,j) == 1) ans = (ans+f(i,j));
            }
            for(int j=2*i;j<=m;j++){
                if(__gcd(i,j) == 1) ans = (ans+f(i,j));
            }
        }
        cout << ans;
        return 0;
    }
    dfs(1,2);
    cout << ans;
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Pretests

Pretest #1:

score: 5
Accepted
time: 5ms
memory: 21316kb

input:

99 99

output:

406

result:

ok 1 number(s): "406"

Pretest #2:

score: 5
Accepted
time: 5ms
memory: 21032kb

input:

98 97

output:

405

result:

ok 1 number(s): "405"

Pretest #3:

score: 5
Accepted
time: 5ms
memory: 21720kb

input:

99 96

output:

396

result:

ok 1 number(s): "396"

Pretest #4:

score: 5
Accepted
time: 18ms
memory: 20896kb

input:

995 977

output:

11153

result:

ok 1 number(s): "11153"

Pretest #5:

score: 5
Accepted
time: 19ms
memory: 20420kb

input:

991 990

output:

11220

result:

ok 1 number(s): "11220"

Pretest #6:

score: 5
Accepted
time: 14ms
memory: 20312kb

input:

976 968

output:

10900

result:

ok 1 number(s): "10900"

Pretest #7:

score: 5
Accepted
time: 1085ms
memory: 20472kb

input:

7602 7864

output:

215706

result:

ok 1 number(s): "215706"

Pretest #8:

score: 5
Accepted
time: 1121ms
memory: 21336kb

input:

7959 7735

output:

220256

result:

ok 1 number(s): "220256"

Pretest #9:

score: 5
Accepted
time: 1126ms
memory: 22072kb

input:

7878 7863

output:

221162

result:

ok 1 number(s): "221162"

Pretest #10:

score: 5
Accepted
time: 1084ms
memory: 21628kb

input:

7788 7658

output:

215323

result:

ok 1 number(s): "215323"

Pretest #11:

score: 0
Wrong Answer
time: 3889ms
memory: 367872kb

input:

95399 99767

output:

8018282

result:

wrong answer 1st numbers differ - expected: '8285295', found: '8018282'

Pretest #12:

score: 0
Wrong Answer
time: 4130ms
memory: 382096kb

input:

98051 99642

output:

8341748

result:

wrong answer 1st numbers differ - expected: '8439713', found: '8341748'

Pretest #13:

score: 0
Wrong Answer
time: 3896ms
memory: 370280kb

input:

95624 96007

output:

8045076

result:

wrong answer 1st numbers differ - expected: '8068127', found: '8045076'

Pretest #14:

score: 5
Accepted
time: 4176ms
memory: 386064kb

input:

99208 98047

output:

8412610

result:

ok 1 number(s): "8412610"

Pretest #15:

score: 0
Runtime Error

input:

997417 967722

output:


result:


Pretest #16:

score: 0
Runtime Error

input:

987807 956529

output:


result:


Pretest #17:

score: 0
Runtime Error

input:

971654 984345

output:


result:


Pretest #18:

score: 0
Runtime Error

input:

7892259 7983727

output:


result:


Pretest #19:

score: 0
Runtime Error

input:

7937869 29796968

output:


result:


Pretest #20:

score: 0
Runtime Error

input:

29717543 29510173

output:


result:



Final Tests

Test #1:

score: 5
Accepted
time: 5ms
memory: 21220kb

input:

96 98

output:

396

result:

ok 1 number(s): "396"

Test #2:

score: 5
Accepted
time: 5ms
memory: 21784kb

input:

100 99

output:

408

result:

ok 1 number(s): "408"

Test #3:

score: 5
Accepted
time: 4ms
memory: 20368kb

input:

99 99

output:

406

result:

ok 1 number(s): "406"

Test #4:

score: 5
Accepted
time: 17ms
memory: 20668kb

input:

963 951

output:

10634

result:

ok 1 number(s): "10634"

Test #5:

score: 5
Accepted
time: 18ms
memory: 22100kb

input:

958 974

output:

10795

result:

ok 1 number(s): "10795"

Test #6:

score: 5
Accepted
time: 13ms
memory: 20572kb

input:

966 990

output:

11003

result:

ok 1 number(s): "11003"

Test #7:

score: 5
Accepted
time: 1151ms
memory: 20144kb

input:

7958 7947

output:

224482

result:

ok 1 number(s): "224482"

Test #8:

score: 5
Accepted
time: 1073ms
memory: 21836kb

input:

7623 7730

output:

213444

result:

ok 1 number(s): "213444"

Test #9:

score: 5
Accepted
time: 1111ms
memory: 20032kb

input:

7845 7783

output:

218916

result:

ok 1 number(s): "218916"

Test #10:

score: 5
Accepted
time: 1113ms
memory: 21824kb

input:

7881 7773

output:

219451

result:

ok 1 number(s): "219451"

Test #11:

score: 5
Accepted
time: 4138ms
memory: 387344kb

input:

99414 98698

output:

8465217

result:

ok 1 number(s): "8465217"

Test #12:

score: 5
Accepted
time: 4103ms
memory: 378452kb

input:

98249 96148

output:

8237486

result:

ok 1 number(s): "8237486"

Test #13:

score: 5
Accepted
time: 4133ms
memory: 381592kb

input:

99003 96832

output:

8324931

result:

ok 1 number(s): "8324931"

Test #14:

score: 5
Accepted
time: 4049ms
memory: 378972kb

input:

98266 96030

output:

8231065

result:

ok 1 number(s): "8231065"

Test #15:

score: 0
Runtime Error

input:

968207 958885

output:


result:


Test #16:

score: 0
Runtime Error

input:

959846 998397

output:


result:


Test #17:

score: 0
Runtime Error

input:

965821 972280

output:


result:


Test #18:

score: 0
Runtime Error

input:

7855098 7962479

output:


result:


Test #19:

score: 0
Runtime Error

input:

7841076 29648718

output:


result:


Test #20:

score: 0
Runtime Error

input:

29365129 29012208

output:


result: