QOJ.ac
QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #510263 | #9158. 分数 | hypeskynick# | 0 | 0ms | 0kb | C++14 | 634b | 2024-08-09 00:58:32 | 2024-08-09 00:58:32 |
answer
// Source: https://usaco.guide/general/io
#include <bits/stdc++.h>
using namespace std;
bool valid(int x, int y){
if(x==2)return true;
if(x/y>2)return valid(x-2*y,y);
if(2*x/y<=1)return valid(y,x);
return false;
}
int main() {
//find all perfect fractions less than 1/2 and place them into
// an array then propogate numerator and denominator to their limits
freopen("fraction.in", "r", stdin);
freopen("fraction.out", "w", stdout);
int n,m,ans=0;
cin >> n >> m;
vector<pair<int,int>> perf;
for (int i =1;i<=n;i++){
for(int j=2;j<=m;j++){
if(valid(i,j))ans++;
}
}
cout << ans << "\n";
}
詳細信息
Pretests
Pretest #1:
score: 0
Dangerous Syscalls
input:
99 99
output:
result:
Pretest #2:
score: 0
Dangerous Syscalls
input:
98 97
output:
result:
Pretest #3:
score: 0
Dangerous Syscalls
input:
99 96
output:
result:
Pretest #4:
score: 0
Dangerous Syscalls
input:
995 977
output:
result:
Pretest #5:
score: 0
Dangerous Syscalls
input:
991 990
output:
result:
Pretest #6:
score: 0
Dangerous Syscalls
input:
976 968
output:
result:
Pretest #7:
score: 0
Dangerous Syscalls
input:
7602 7864
output:
result:
Pretest #8:
score: 0
Dangerous Syscalls
input:
7959 7735
output:
result:
Pretest #9:
score: 0
Dangerous Syscalls
input:
7878 7863
output:
result:
Pretest #10:
score: 0
Dangerous Syscalls
input:
7788 7658
output:
result:
Pretest #11:
score: 0
Dangerous Syscalls
input:
95399 99767
output:
result:
Pretest #12:
score: 0
Dangerous Syscalls
input:
98051 99642
output:
result:
Pretest #13:
score: 0
Dangerous Syscalls
input:
95624 96007
output:
result:
Pretest #14:
score: 0
Dangerous Syscalls
input:
99208 98047
output:
result:
Pretest #15:
score: 0
Dangerous Syscalls
input:
997417 967722
output:
result:
Pretest #16:
score: 0
Dangerous Syscalls
input:
987807 956529
output:
result:
Pretest #17:
score: 0
Dangerous Syscalls
input:
971654 984345
output:
result:
Pretest #18:
score: 0
Dangerous Syscalls
input:
7892259 7983727
output:
result:
Pretest #19:
score: 0
Dangerous Syscalls
input:
7937869 29796968
output:
result:
Pretest #20:
score: 0
Dangerous Syscalls
input:
29717543 29510173
output:
result:
Final Tests
Test #1:
score: 0
Dangerous Syscalls
input:
96 98
output:
result:
Test #2:
score: 0
Dangerous Syscalls
input:
100 99
output:
result:
Test #3:
score: 0
Dangerous Syscalls
input:
99 99
output:
result:
Test #4:
score: 0
Dangerous Syscalls
input:
963 951
output:
result:
Test #5:
score: 0
Dangerous Syscalls
input:
958 974
output:
result:
Test #6:
score: 0
Dangerous Syscalls
input:
966 990
output:
result:
Test #7:
score: 0
Dangerous Syscalls
input:
7958 7947
output:
result:
Test #8:
score: 0
Dangerous Syscalls
input:
7623 7730
output:
result:
Test #9:
score: 0
Dangerous Syscalls
input:
7845 7783
output:
result:
Test #10:
score: 0
Dangerous Syscalls
input:
7881 7773
output:
result:
Test #11:
score: 0
Dangerous Syscalls
input:
99414 98698
output:
result:
Test #12:
score: 0
Dangerous Syscalls
input:
98249 96148
output:
result:
Test #13:
score: 0
Dangerous Syscalls
input:
99003 96832
output:
result:
Test #14:
score: 0
Dangerous Syscalls
input:
98266 96030
output:
result:
Test #15:
score: 0
Dangerous Syscalls
input:
968207 958885
output:
result:
Test #16:
score: 0
Dangerous Syscalls
input:
959846 998397
output:
result:
Test #17:
score: 0
Dangerous Syscalls
input:
965821 972280
output:
result:
Test #18:
score: 0
Dangerous Syscalls
input:
7855098 7962479
output:
result:
Test #19:
score: 0
Dangerous Syscalls
input:
7841076 29648718
output:
result:
Test #20:
score: 0
Dangerous Syscalls
input:
29365129 29012208