简单的分数
https://ac.nowcoder.com/acm/contest/322/L
題解:很簡單吧???
/* *@Author: STZG *@Language: C++ */ #include <bits/stdc++.h> #include<iostream> #include<algorithm> #include<cstdlib> #include<cstring> #include<cstdio> #include<string> #include<vector> #include<bitset> #include<queue> #include<deque> #include<stack> #include<cmath> #include<list> #include<map> #include<set> //#define DEBUG #define RI register int using namespace std; typedef long long ll; //typedef __int128 lll; const int N=100000+10; const int MOD=1e9+7; const double PI = acos(-1.0); const double EXP = 1E-8; const int INF = 0x3f3f3f3f; int t,n,m,k,q,ans; int op,a,b,c,d; char str; int main() { #ifdef DEBUGfreopen("input.in", "r", stdin);//freopen("output.out", "w", stdout); #endifscanf("%d",&t);while(t--){scanf("%d%d%d%d%d",&op,&a,&b,&c,&d);if(op){n=a*d+b*c;m=b*d;}else{n=a*d-b*c;m=b*d;}if(!n){cout << 0<<"/"<<1 << endl;continue;}int x=abs(n);int y=abs(m);if(x<y)swap(x,y);int r=1;while(r){r=x%y;x=y;y=r;}cout << n/x<<"/"<<m/x << endl;}//cout << "Hello world!" << endl;return 0; }?
總結(jié)