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- int stonum( char *str ){
- int lenStr( char *str ){
- int len=0;
- for(int i=0;str[i]!='\0';i++)
- len=i;
- return len+1;
- }
- int chislo=0;
- int k=1;
- int znak=1;
- if(str[0]==45)
- znak=-1;
- for(int i=lenStr(str)-1;i>=0;i--){
- if((str[i]>=48) && (str[i]<=57)){
- chislo+=(str[i]-48)*k;
- k*=10;
- }
- }
- return chislo*znak;
- }
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