题目内容

从键盘上输入若干学生的成绩，统计并输出最高成绩和最低成绩，当输入负数时结束输入。请在下列程序中填空。#includeintmain(){floatx,max,min;printf("pleaseinputscores:");scanf("%f",&x);max=min=x;while(_1_){if(_2)max=x;if(_3)min=x;scanf("%f",&x);}printf("\nmax=%f\nmin=%f\n",max,min);getchar();}

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下面的程序段执行时，语句m=i+j执行的次数是多少？____.m的最终值是多少？_.{inti,j,m,k=0;for(i=1;i<=5;i++)for(j=5;j>=-5;j=j-2){m=i+j;k=k+1;}printf("%d,%d",k,m);}

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