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標題:
c++練習題11
[打印本頁]
作者:
Smallcat
時間:
2018-12-19 17:18
標題:
c++練習題11
這次的作業,後面幾題太過困難,暫時先不寫。
2018-12-19 17:17
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
int main(void){
int cont[6]={0};
int num;
srand(time(NULL));
for(int i=0;i<=100;i++){
num = rand()%6 + 1;
cont[num-1]++;
}
for(int i=0;i<6;i++){
printf("%d.: ",i+1);
for(int j=1;j<=cont[i];j++){
printf("*");
}
printf("\n");
}
}
複製代碼
圖片附件:
1545210945053.jpg
(2018-12-19 17:17, 106.51 KB) / 下載次數 488
http://smallcat.utmall.com/attachment.php?aid=479&k=6abe36e20f8526c86317639566811b05&t=1711727493&sid=5AXU3U
作者:
Smallcat
時間:
2018-12-19 17:18
2018-12-19 17:18
#include<stdio.h>
int main(void){
int a[3][4] = {{2,1,3,4},
{1,2,1,1},
{3,1,1,3}};
int b[4][3] = {{1,3,2},
{2,1,1},
{1,4,2},
{1,2,1}};
int c[3][3];
for(int i=0;i<3;i++){
for(int j=0;j<3;j++){
int sum = 0;
for(int k=0;k<4;k++){
sum += a[i][k] * b[k][j];
}
c[i][j] = sum;
}
}
for(int i=0;i<3;i++){
for(int j=0;j<3;j++){
printf("%2d ",c[i][j]);
}
printf("\n");
}
}
複製代碼
圖片附件:
1545210951802.jpg
(2018-12-19 17:18, 65.89 KB) / 下載次數 449
http://smallcat.utmall.com/attachment.php?aid=480&k=54f7ecf1541e2331eab416a6e200a9f0&t=1711727493&sid=5AXU3U
作者:
Smallcat
時間:
2018-12-19 17:18
2018-12-19 17:18
#include<stdio.h>
int main(void){
int a[100] = {72,23,38,86,62,29,99,96,67,78,87,76,65,58,86,69,93,34,45,55,
52, 7,74,48,83,39,90,18,82,26,65,53,39,96,66,-1};
int b[10] = {0};
int c[2] = {0};
int sum=0,num=0,sign=1;
double avg;
while(sign){
if(a[num]==-1){
sign = 0;
}else{
sum += a[num];
b[a[num]/10]++;
num++;
}
}
sign = 1;
avg = (double)sum/num;
num = 0;
while(sign){
if(a[num]==-1){
sign = 0;
}else{
c[a[num]/int(avg)]++;
num++;
}
}
printf("MEAN = %.3lf\n",avg);
printf("ABOVE MEAN = %d\n",c[1]);
printf("BELOW MEAN = %d\n\n",c[0]);
for(int i=0;i<10;i++){
printf("%-2d ~ %2d: ",i*10,i*10+9);
for(int j=1;j<=b[i];j++){
printf("*");
}
printf("\n");
}
}
複製代碼
圖片附件:
1545210965603.jpg
(2018-12-19 17:18, 209.21 KB) / 下載次數 443
http://smallcat.utmall.com/attachment.php?aid=481&k=a7d8f0256271194b63f599da345b0c10&t=1711727493&sid=5AXU3U
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