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  1. #include <stdio.h>
  2. #include<string.h>
  3.  
  4. int main(void) {
  5. 	int i, tam;
  6. 	char expressao[31];
  7.     do{
  8.         puts("Digite a expressao com no maximo 30 caracteres!\nCaso digite mais do que isso os caracteres extras serao ignorados.\n");
  9.         fgets(expressao,31,stdin);
  10.         tam=strlen(expressao);
  11.  
  12.     }while(expressao[0]=='\n');
  13. 	for(i=0;i<tam;i++){
  14. 		if(expressao[i]>='A' && expressao[i]<='Z' || expressao[i]=='1' || expressao[i]=='0' ||expressao[i]=='-' ||expressao[i]=='\n'){
  15. 			if(expressao[i]>='A' && expressao[i]<='C'){
  16. 				expressao[i]='2';
  17. 			}
  18. 			else if(expressao[i]>='D' && expressao[i]<='F'){
  19. 				expressao[i]='3';
  20. 			}
  21. 			else if(expressao[i]>='G' && expressao[i]<='I'){
  22. 				expressao[i]='4';
  23. 			}
  24. 			else if(expressao[i]>='J' && expressao[i]<='L'){
  25. 				expressao[i]='5';
  26. 			}
  27. 			else if(expressao[i]>='M' && expressao[i]<='O'){
  28. 				expressao[i]='6';
  29. 			}
  30. 			else if(expressao[i]>='P' && expressao[i]<='S'){
  31. 				expressao[i]='7';
  32. 			}
  33. 			else if(expressao[i]>='T' && expressao[i]<='V'){
  34. 				expressao[i]='8';
  35. 			}
  36. 			else if(expressao[i]>='W' && expressao[i]<='Z'){
  37. 				expressao[i]='9';
  38. 			}
  39.             if(i==(tam-1)){
  40.                 puts(expressao);
  41.             }
  42. 		}
  43. 		else{
  44. 			puts("==============ERRO================\n");
  45. 			puts("=========Apenas Permitido========");
  46. 			puts("**Lestras maiusculas!\n**Simbolos numericos 1 e 0 !\n**Caracter especial apenas o hifen!");
  47. 			puts("**Espaco, e nao digitar nada tambem nao e permitido");
  48.             break;
  49.         }
  50.  
  51.  
  52. 	}
  53.  
  54.  
  55. 	return 0;
  56.  
  57. }
  58.  
Success #stdin #stdout 0s 10320KB
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stdout
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Digite a expressao com no maximo 30 caracteres!
Caso digite mais do que isso os caracteres extras serao ignorados.

1-4663-79338-4663
https://ideone.com/g5gsno
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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