BIL104E_w10 - BIL104E INTRODUCTION TO SCIENTIFIC AND...

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BIL104E INTRODUCTION TO SCIENTIFIC AND ENGINEERING COMPUTING (C) WEEK 10
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DIFFERENCE? Characters & Strings
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Characters and Strings? Character constants (literals): single quotes „a‟, „A‟, „0‟, „1‟, „ \ n‟, „ ‟, „I‟, „ \ 0‟ String constants (literals): double quotes “The weather is rainy” “The answer is %.2f. \ n”
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What is strings? Strings are stored in char arrays. The end of the string is marked with a special character, the null character , which is simply the character with the value 0 (or \0 ). Example: Char array [50]=“STRINGS” S T I R G N S \0 0 1 3 2 5 4 6 7 49
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Example Program #include<stdio.h> int main() { char name[30]; printf ( “ Enter Name: "); scanf( "%s", name ); printf ( “ Entered Name: %s\n", name ); return 0; }
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Application Write a program for a given string from standard input. Use scanf to obtain string. Every string elements will write separately. S T I R G N S \0 0 1 3 2 5 4 6 7 49
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Example Program #include<stdio.h> int main() { char name[30]; int i; printf("Enter Name: "); scanf( "%s" , name ); printf("Entered Name: "); for( i = 0; name[i]!='\0'; i++ ) printf(" %c" , name[i] ); printf("\n"); return 0; }
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String Operations Copy (assignment) Compare Find length Combine I/O
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