下列程序段执行后k的值为( )。int k=0, i, j;for(i=0; i<5; i++)for(j=0; j<3; j++) k=k+1 ;
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下面程序执行后输出的结果为:______ ______ ______ ______ #include int main(void ){ int i, j, k, temp, a[4]={1,2,6,5}; for ( i=0; i<3; i++ ) { k=i; for( j=i+1; j<4; j++ ) if ( a[k]>a[j] ) k=j; temp=a[i]; a[i]=a[k]; a[k]=temp; } for ( i=0; i<4; i++ ) printf("%d ",a[i]); return 0;}
以下程序运行时,若从键盘上输入76,则屏幕上输出的结果是______ 。#include int main(void){ int score; char grade; scanf("%d",&score); while (score>100||score<0) { printf("The score is error, please input it again:"); scanf("%f",&score) } switch(score/10) { case 10: case 9: grade='A';break; case 8: grade='B';break; case 7: grade='C';break; case 6: grade='D';break; case 5: case 4: case 3: case 2: case 1: case 0: grade='E'; } printf("%c",grade); return 0;}
以下程序段执行后,x的值是______ 。 int multi[][3]={{3,2,1},{5,4},{2,1,1}};int m, n, x=0;for(m=0; m<3; m++)for(n=0; n<3; n++)x+=multi[m][n];
下列程序执行后的输出结果是 ( ) #include void main( ) { int a=5,b=60,c; if (a
A. 60/5=12
B. 300
C. 60*5=300
D. 12