poj 2041 Unreliable Message

poj 2041 Unreliable Message

#include<cstdio>#include<cstring>#include<string>#include<queue>#include<algorithm>#include<queue>#include<map>#include<stack>#include<iostream>#include<list>#include<set>#include<cmath>#define INF 0x7fffffff#define eps 1e-6using namespace std;void Mr_j(char *str){    int len=strlen(str);    char tmp=str[len-1];    for(int i=len-1;i>=0;i--)        str[i]=str[i-1];    str[0]=tmp;}void Mr_c(char *str){    int i;    char tmp=str[0];    for(i=0;i<strlen(str)-1;i++)        str[i]=str[i+1];    str[i]=tmp;}void Mr_e(char *str){    int len=strlen(str);    int i,j;    char tmp[1001];    for(i=0;i<len/2;i++)        tmp[i]=str[i];    if(len&1)i++;    for(j=0;i<len;i++,j++)        str[j]=str[i],str[i]=tmp[j];}void Mr_a(char *str){    int len=strlen(str);    for(int i=0;i<len/2;i++)        swap(str[i],str[len-i-1]);}void Mr_p(char *str){    for(int i=0;i<strlen(str);i++)    {        if(str[i]>'0'&&str[i]<='9')str[i]--;        else if(str[i]=='0')str[i]='9';    }}void Mr_m(char *str){    for(int i=0;i<strlen(str);i++)    {        if(str[i]>='0'&&str[i]<'9')str[i]++;        else if(str[i]=='9')str[i]='0';    }}int main(){    char str[1001];    char order[1001];    int m;    scanf("%d",&m);    while(m--)    {        scanf("%s%s",order,str);        for(int i=strlen(order)-1;i>=0;i--)        { if(order[i]=='J')Mr_j(str); else if(order[i]=='C')Mr_c(str); else if(order[i]=='E')Mr_e(str); else if(order[i]=='A')Mr_a(str); else if(order[i]=='P')Mr_p(str); else if(order[i]=='M')Mr_m(str);        }        puts(str);    }}