5~6次C语言上机作业

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#include #define N 9 void main() {

int itop,ibottom,iresearch,imiddle; int iA[N]={0,1,2,3,4,5,6,7,8}; scanf(\ itop=0;

ibottom=N-1;

while(itop<=ibottom) {

imiddle=(itop+ibottom)/2 ; if(iresearch

ibottom=imiddle-1;

else

if (iresearch>iA[imiddle])

itop=imiddle+1;

else{

printf(\元素%d在数组中， 下标是%d\\n, iresearch,imiddle\ return; } }

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printf(\在数组中未找到\\n\ }

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