QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#508457 | #9158. 分数 | _LSA_ | 100 ✓ | 2724ms | 3684kb | C++14 | 1.0kb | 2024-08-07 15:49:40 | 2024-08-07 15:49:41 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define pii pair<int,int>
#define fi first
#define se second
#define mk make_pair
using namespace std;
ll read(){
ll X = 0 ,r = 1;
char ch = getchar();
while(!isdigit(ch) && ch != '-') ch = getchar();
if(ch == '-') r = -1,ch = getchar();
while(isdigit(ch)) X = X*10+ch-'0',ch = getchar();
return X*r;
}
const int inf = 1e9;
int n,m;
ll ans;
void dfs(int a,int b,int c,int d,int v){
ans += max(0,min(a ? (n-b)/a : inf,(m-d)/c)-v+1);
ans += max(0,(n-d)/c-v+1);
for(int u=1;;u++){
ll A = a+2*u*c,B = b+2*u*d;
if(A*max(u,v)+B > m) break;
dfs(c,d,A,B,max(u,v));
}
}
void dfs0(int a,int b,int v){
for(int u=1;;u++){
ll c = a+2*u*b;
if(b+2*c*max(u+1,v) > m) break;
dfs0(b,c,max(u+1,v));
}
dfs(0,b,2*b,a,v);
}
int main(){
n = read(); m = read();
if(n > m) swap(n,m);
dfs0(0,1,1);
cout << ans;
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Pretests
Pretest #1:
score: 5
Accepted
time: 0ms
memory: 3612kb
input:
99 99
output:
406
result:
ok 1 number(s): "406"
Pretest #2:
score: 5
Accepted
time: 0ms
memory: 3684kb
input:
98 97
output:
405
result:
ok 1 number(s): "405"
Pretest #3:
score: 5
Accepted
time: 0ms
memory: 3624kb
input:
99 96
output:
396
result:
ok 1 number(s): "396"
Pretest #4:
score: 5
Accepted
time: 0ms
memory: 3496kb
input:
995 977
output:
11153
result:
ok 1 number(s): "11153"
Pretest #5:
score: 5
Accepted
time: 0ms
memory: 3600kb
input:
991 990
output:
11220
result:
ok 1 number(s): "11220"
Pretest #6:
score: 5
Accepted
time: 0ms
memory: 3664kb
input:
976 968
output:
10900
result:
ok 1 number(s): "10900"
Pretest #7:
score: 5
Accepted
time: 0ms
memory: 3620kb
input:
7602 7864
output:
215706
result:
ok 1 number(s): "215706"
Pretest #8:
score: 5
Accepted
time: 0ms
memory: 3568kb
input:
7959 7735
output:
220256
result:
ok 1 number(s): "220256"
Pretest #9:
score: 5
Accepted
time: 0ms
memory: 3528kb
input:
7878 7863
output:
221162
result:
ok 1 number(s): "221162"
Pretest #10:
score: 5
Accepted
time: 1ms
memory: 3668kb
input:
7788 7658
output:
215323
result:
ok 1 number(s): "215323"
Pretest #11:
score: 5
Accepted
time: 2ms
memory: 3544kb
input:
95399 99767
output:
8285295
result:
ok 1 number(s): "8285295"
Pretest #12:
score: 5
Accepted
time: 2ms
memory: 3600kb
input:
98051 99642
output:
8439713
result:
ok 1 number(s): "8439713"
Pretest #13:
score: 5
Accepted
time: 2ms
memory: 3680kb
input:
95624 96007
output:
8068127
result:
ok 1 number(s): "8068127"
Pretest #14:
score: 5
Accepted
time: 2ms
memory: 3664kb
input:
99208 98047
output:
8412610
result:
ok 1 number(s): "8412610"
Pretest #15:
score: 5
Accepted
time: 31ms
memory: 3652kb
input:
997417 967722
output:
229917323
result:
ok 1 number(s): "229917323"
Pretest #16:
score: 5
Accepted
time: 31ms
memory: 3532kb
input:
987807 956529
output:
226426912
result:
ok 1 number(s): "226426912"
Pretest #17:
score: 5
Accepted
time: 30ms
memory: 3496kb
input:
971654 984345
output:
228363805
result:
ok 1 number(s): "228363805"
Pretest #18:
score: 5
Accepted
time: 469ms
memory: 3624kb
input:
7892259 7983727
output:
4647501224
result:
ok 1 number(s): "4647501224"
Pretest #19:
score: 5
Accepted
time: 2724ms
memory: 3608kb
input:
7937869 29796968
output:
15197555613
result:
ok 1 number(s): "15197555613"
Pretest #20:
score: 5
Accepted
time: 2707ms
memory: 3684kb
input:
29717543 29510173
output:
30904211576
result:
ok 1 number(s): "30904211576"
Final Tests
Test #1:
score: 5
Accepted
time: 0ms
memory: 3532kb
input:
96 98
output:
396
result:
ok 1 number(s): "396"
Test #2:
score: 5
Accepted
time: 0ms
memory: 3608kb
input:
100 99
output:
408
result:
ok 1 number(s): "408"
Test #3:
score: 5
Accepted
time: 0ms
memory: 3628kb
input:
99 99
output:
406
result:
ok 1 number(s): "406"
Test #4:
score: 5
Accepted
time: 0ms
memory: 3536kb
input:
963 951
output:
10634
result:
ok 1 number(s): "10634"
Test #5:
score: 5
Accepted
time: 0ms
memory: 3676kb
input:
958 974
output:
10795
result:
ok 1 number(s): "10795"
Test #6:
score: 5
Accepted
time: 0ms
memory: 3588kb
input:
966 990
output:
11003
result:
ok 1 number(s): "11003"
Test #7:
score: 5
Accepted
time: 0ms
memory: 3684kb
input:
7958 7947
output:
224482
result:
ok 1 number(s): "224482"
Test #8:
score: 5
Accepted
time: 0ms
memory: 3608kb
input:
7623 7730
output:
213444
result:
ok 1 number(s): "213444"
Test #9:
score: 5
Accepted
time: 0ms
memory: 3608kb
input:
7845 7783
output:
218916
result:
ok 1 number(s): "218916"
Test #10:
score: 5
Accepted
time: 0ms
memory: 3472kb
input:
7881 7773
output:
219451
result:
ok 1 number(s): "219451"
Test #11:
score: 5
Accepted
time: 2ms
memory: 3668kb
input:
99414 98698
output:
8465217
result:
ok 1 number(s): "8465217"
Test #12:
score: 5
Accepted
time: 2ms
memory: 3668kb
input:
98249 96148
output:
8237486
result:
ok 1 number(s): "8237486"
Test #13:
score: 5
Accepted
time: 2ms
memory: 3540kb
input:
99003 96832
output:
8324931
result:
ok 1 number(s): "8324931"
Test #14:
score: 5
Accepted
time: 2ms
memory: 3684kb
input:
98266 96030
output:
8231065
result:
ok 1 number(s): "8231065"
Test #15:
score: 5
Accepted
time: 26ms
memory: 3592kb
input:
968207 958885
output:
223522215
result:
ok 1 number(s): "223522215"
Test #16:
score: 5
Accepted
time: 32ms
memory: 3496kb
input:
959846 998397
output:
228770873
result:
ok 1 number(s): "228770873"
Test #17:
score: 5
Accepted
time: 30ms
memory: 3612kb
input:
965821 972280
output:
225359210
result:
ok 1 number(s): "225359210"
Test #18:
score: 5
Accepted
time: 468ms
memory: 3524kb
input:
7855098 7962479
output:
4622947400
result:
ok 1 number(s): "4622947400"
Test #19:
score: 5
Accepted
time: 2701ms
memory: 3596kb
input:
7841076 29648718
output:
15040798710
result:
ok 1 number(s): "15040798710"
Test #20:
score: 5
Accepted
time: 2703ms
memory: 3664kb
input:
29365129 29012208
output:
30267839959
result:
ok 1 number(s): "30267839959"
Extra Test:
score: 0
Extra Test Passed