QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#499827 | #9158. 分数 | Felix72 | 5 | 2983ms | 3712kb | C++14 | 998b | 2024-07-31 19:31:12 | 2024-07-31 19:31:13 |
Judging History
answer
/*蛋糕鱼乐园*/
#include <bits/stdc++.h>
#define lowbit(x) (x & (-x))
using namespace std;
int n, m; long long ans;
inline void dfs1(int a, int b, int c, int d, int minn)
{
ans += max(0, min(((!a) ? m : ((m - b) / a)), (n - d) / c) - minn + 1) + max(0, (n - d) / c - minn + 1);
for(int i = 1; ; ++i)
{
int A = 2 * i * c + a, B = 2 * i * d + b;
int lim = max(minn, i + 1);
if(1ll * lim * A + B > m) break;
dfs1(c, d, A, B, lim);
}
}
inline void dfs2(int a, int b, int minn)
{
for(int i = 1; ; ++i)
{
int c = 2 * i * b + a;
if(max(minn, i) * 2ll * b + a > m) break;
dfs2(b, c, max(minn, i));
}
dfs1(0, b, 2 * b, a, minn);
}
int main()
{
// freopen("text.in", "r", stdin);
// freopen("prog.out", "w", stdout);
ios::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
cin >> n >> m;
if(n > m) swap(n, m);
dfs1(0, 1, 2, 0, 1);
for(int i = 1; 4 * i * i + 1 <= m; ++i) dfs2(1, 2 * i, i);
cout << ans << '\n';
return 0;
}
/*
*/
Details
Tip: Click on the bar to expand more detailed information
Pretests
Pretest #1:
score: 5
Accepted
time: 0ms
memory: 3712kb
input:
99 99
output:
406
result:
ok 1 number(s): "406"
Pretest #2:
score: 0
Wrong Answer
time: 0ms
memory: 3652kb
input:
98 97
output:
404
result:
wrong answer 1st numbers differ - expected: '405', found: '404'
Pretest #3:
score: 0
Wrong Answer
time: 0ms
memory: 3620kb
input:
99 96
output:
386
result:
wrong answer 1st numbers differ - expected: '396', found: '386'
Pretest #4:
score: 0
Wrong Answer
time: 0ms
memory: 3584kb
input:
995 977
output:
11002
result:
wrong answer 1st numbers differ - expected: '11153', found: '11002'
Pretest #5:
score: 5
Accepted
time: 0ms
memory: 3580kb
input:
991 990
output:
11220
result:
ok 1 number(s): "11220"
Pretest #6:
score: 0
Wrong Answer
time: 0ms
memory: 3708kb
input:
976 968
output:
10826
result:
wrong answer 1st numbers differ - expected: '10900', found: '10826'
Pretest #7:
score: 0
Wrong Answer
time: 1ms
memory: 3580kb
input:
7602 7864
output:
210506
result:
wrong answer 1st numbers differ - expected: '215706', found: '210506'
Pretest #8:
score: 0
Wrong Answer
time: 1ms
memory: 3620kb
input:
7959 7735
output:
215772
result:
wrong answer 1st numbers differ - expected: '220256', found: '215772'
Pretest #9:
score: 0
Wrong Answer
time: 1ms
memory: 3584kb
input:
7878 7863
output:
220852
result:
wrong answer 1st numbers differ - expected: '221162', found: '220852'
Pretest #10:
score: 0
Wrong Answer
time: 1ms
memory: 3556kb
input:
7788 7658
output:
212772
result:
wrong answer 1st numbers differ - expected: '215323', found: '212772'
Pretest #11:
score: 0
Wrong Answer
time: 8ms
memory: 3552kb
input:
95399 99767
output:
8018282
result:
wrong answer 1st numbers differ - expected: '8285295', found: '8018282'
Pretest #12:
score: 0
Wrong Answer
time: 8ms
memory: 3580kb
input:
98051 99642
output:
8341748
result:
wrong answer 1st numbers differ - expected: '8439713', found: '8341748'
Pretest #13:
score: 0
Wrong Answer
time: 7ms
memory: 3708kb
input:
95624 96007
output:
8045076
result:
wrong answer 1st numbers differ - expected: '8068127', found: '8045076'
Pretest #14:
score: 0
Wrong Answer
time: 8ms
memory: 3708kb
input:
99208 98047
output:
8341284
result:
wrong answer 1st numbers differ - expected: '8412610', found: '8341284'
Pretest #15:
score: 0
Wrong Answer
time: 166ms
memory: 3648kb
input:
997417 967722
output:
224912968
result:
wrong answer 1st numbers differ - expected: '229917323', found: '224912968'
Pretest #16:
score: 0
Wrong Answer
time: 166ms
memory: 3708kb
input:
987807 956529
output:
221185842
result:
wrong answer 1st numbers differ - expected: '226426912', found: '221185842'
Pretest #17:
score: 0
Wrong Answer
time: 165ms
memory: 3632kb
input:
971654 984345
output:
226228550
result:
wrong answer 1st numbers differ - expected: '228363805', found: '226228550'
Pretest #18:
score: 0
Wrong Answer
time: 2928ms
memory: 3704kb
input:
7892259 7983727
output:
4608980164
result:
wrong answer 1st numbers differ - expected: '4647501224', found: '4608980164'
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: 0
Wrong Answer
time: 0ms
memory: 3624kb
input:
96 98
output:
386
result:
wrong answer 1st numbers differ - expected: '396', found: '386'
Test #2:
score: 0
Wrong Answer
time: 0ms
memory: 3632kb
input:
100 99
output:
406
result:
wrong answer 1st numbers differ - expected: '408', found: '406'
Test #3:
score: 5
Accepted
time: 0ms
memory: 3624kb
input:
99 99
output:
406
result:
ok 1 number(s): "406"
Test #4:
score: 0
Wrong Answer
time: 0ms
memory: 3632kb
input:
963 951
output:
10534
result:
wrong answer 1st numbers differ - expected: '10634', found: '10534'
Test #5:
score: 0
Wrong Answer
time: 0ms
memory: 3572kb
input:
958 974
output:
10642
result:
wrong answer 1st numbers differ - expected: '10795', found: '10642'
Test #6:
score: 0
Wrong Answer
time: 0ms
memory: 3632kb
input:
966 990
output:
10786
result:
wrong answer 1st numbers differ - expected: '11003', found: '10786'
Test #7:
score: 0
Wrong Answer
time: 1ms
memory: 3616kb
input:
7958 7947
output:
224224
result:
wrong answer 1st numbers differ - expected: '224482', found: '224224'
Test #8:
score: 0
Wrong Answer
time: 1ms
memory: 3660kb
input:
7623 7730
output:
211290
result:
wrong answer 1st numbers differ - expected: '213444', found: '211290'
Test #9:
score: 0
Wrong Answer
time: 1ms
memory: 3640kb
input:
7845 7783
output:
217710
result:
wrong answer 1st numbers differ - expected: '218916', found: '217710'
Test #10:
score: 0
Wrong Answer
time: 1ms
memory: 3560kb
input:
7881 7773
output:
217326
result:
wrong answer 1st numbers differ - expected: '219451', found: '217326'
Test #11:
score: 0
Wrong Answer
time: 8ms
memory: 3616kb
input:
99414 98698
output:
8421216
result:
wrong answer 1st numbers differ - expected: '8465217', found: '8421216'
Test #12:
score: 0
Wrong Answer
time: 8ms
memory: 3560kb
input:
98249 96148
output:
8108906
result:
wrong answer 1st numbers differ - expected: '8237486', found: '8108906'
Test #13:
score: 0
Wrong Answer
time: 8ms
memory: 3560kb
input:
99003 96832
output:
8190706
result:
wrong answer 1st numbers differ - expected: '8324931', found: '8190706'
Test #14:
score: 0
Wrong Answer
time: 8ms
memory: 3548kb
input:
98266 96030
output:
8093982
result:
wrong answer 1st numbers differ - expected: '8231065', found: '8093982'
Test #15:
score: 0
Wrong Answer
time: 161ms
memory: 3688kb
input:
968207 958885
output:
221970242
result:
wrong answer 1st numbers differ - expected: '223522215', found: '221970242'
Test #16:
score: 0
Wrong Answer
time: 169ms
memory: 3636kb
input:
959846 998397
output:
222287152
result:
wrong answer 1st numbers differ - expected: '228770873', found: '222287152'
Test #17:
score: 0
Wrong Answer
time: 162ms
memory: 3692kb
input:
965821 972280
output:
224278228
result:
wrong answer 1st numbers differ - expected: '225359210', found: '224278228'
Test #18:
score: 0
Wrong Answer
time: 2983ms
memory: 3688kb
input:
7855098 7962479
output:
4577813116
result:
wrong answer 1st numbers differ - expected: '4622947400', found: '4577813116'
Test #19:
score: 0
Time Limit Exceeded
input:
7841076 29648718
output:
result:
Test #20:
score: 0
Time Limit Exceeded
input:
29365129 29012208