ZOJ 3782 Ternary Calculation【】

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G - Ternary Calculation

ZOJ - 3782

#include<iostream>#include<cstdio>#include<math.h>#include<cstring>#include<climits>#include<string>#include<queue>#include<stack>#include<set>#include<map>#include<list>#include<vector>#include<sstream>#include<algorithm>using namespace std;#define rep(i,j,k)for(i=j;i<k;i++)#define per(i,j,k)for(i=j;i>k;i--)#define ms(x,y)memset(x,y,sizeof(x))#define lson l,m,rt<<1#define rson m+1,r,rt<<1|1#define ll long longconst int INF=0x7ffffff;const int M=1e4+10;int i,j,k,n,m;map<char,int>s;int f(int x,int  a,int b){    int ans;    if(x==0)ans=a+b;    if(x==1)ans=a-b;    if(x==2)ans=a*b;    if(x==3)ans=a/b;    if(x==4)ans=a%b;// cout<<ans<<endl;    return ans;}int main(){    s['+']=0;s['-']=1;    s['*']=2;s['/']=3;    s['%']=4;    int T;    scanf("%d",&T);    while(T--){        int a,b,c;        char c1,c2;        int ans;        scanf("%d %c %d %c %d",&a,&c1,&b,&c2,&c);        if(s[c1]<s[c2]&&(s[c1]==0||s[c1]==1)){            ans=f(s[c1],a,f(s[c2],b,c));        }        else{          ans=f(s[c2],f(s[c1],a,b),c);        }        printf("%d\n",ans);    }    return 0;}

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