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#include <stdio.h>
 
int main(void) {
 
int array[]={0,1,2,3,4,5,6};
int head=0;
int tail=6;
int key=5;
int center;
 
 
    for(;;){
        if(head<=tail)
            center=(head+tail)/2;
    else
        printf("ilchi X");
        break;
 
    if(array[center]==key)
        printf("key=%d",center);
        break;
    else if(array[center]<key)
        head=center+1
 
 
 
 
 
 
 
 
 
 
 

prog.c: In function ‘main’:
prog.c:16:5: warning: this ‘else’ clause does not guard... [-Wmisleading-indentation]
     else
     ^~~~
prog.c:18:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘else’
         break;
         ^~~~~
prog.c:20:5: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
     if(array[center]==key)
     ^~
prog.c:22:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘if’
         break;
         ^~~~~
prog.c:23:5: error: ‘else’ without a previous ‘if’
     else if(array[center]<key)
     ^~~~
prog.c:24:9: error: expected ‘;’ at end of input
         head=center+1
         ^~~~
prog.c:34:0: note: -Wmisleading-indentation is disabled from this point onwards, since column-tracking was disabled due to the size of the code/headers
 
 
prog.c:24:9: error: expected declaration or statement at end of input
         head=center+1
         ^~~~
prog.c:24:9: error: expected declaration or statement at end of input

Standard output is empty