제출 #4993

#제출 시각아이디문제언어결과실행 시간메모리
4993lingxiang분수 (KPI13_fractions)C++98
0 / 1
0 ms1088 KiB
/* construct with farey sequence */ #include<stdio.h> #include<string.h> long long int a,b,c,d; long long int fn1=0,fd1=1,fn2=1,fd2=1; long long int numeric; int T; void input(){ scanf("%d",&T); } void solve(){ for(int i=0;i<T;i++){ fn1=0,fn2=1,fd1=1,fd2=1; scanf("%lld %lld %lld %lld",&a,&b,&c,&d); if(a/b==c/d){ numeric=a/b; a=a-b*numeric; c=c-d*numeric; } else{ printf("%lld 1\n",a/b+1); continue; } while(1){ //puts("*"); long long int next_fn=fn1+fn2; long long int next_fd=fd1+fd2; if(next_fn*b<=next_fd*a){ fn1=next_fn; fd1=next_fd; } else if(next_fd*c<=next_fn*d){ fn2=next_fn; fd2=next_fd; } else{ printf("%lld %lld\n",next_fn+next_fd*numeric,next_fd); break; } } } } void output(){ } int main(){ input(); solve(); output(); return 0; }
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