#include <stdio.h>
int main() {
int arr[7][4];
printf("输入数组\n");
for (int i = 0; i < 7; i++) {
for (int k = 0; k < 4; k++) {
scanf("%d", &arr[i][k]);
}
}
printf("输出数组\n");
for (int i = 0; i < 7; i++) {
for (int k = 0; k < 4; k++) {
printf("%-5d", arr[i][k]);
}
printf("\n");
}
int pjf[7];
int sum = 0;
for (int i = 0; i < 7; i++) {
for (int k = 0; k < 7; k++) {
sum = sum + arr[k][i];
}
pjf[i] = sum;
sum = 0;
}
int shuxue = pjf[0] / 7;
int cyuyan = pjf[1] / 7;
int yingyu = pjf[2] / 7;
int yuwen = pjf[3] / 7;
int pingjun = (shuxue + cyuyan + yingyu + yuwen) / 4;
printf("数学的平均分为：%d\n", shuxue);
printf("c语言的平均分为：%d\n", cyuyan);
printf("英语的平均分为：%d\n", yingyu);
printf("语文的平均分为：%d\n", yuwen);
printf("总平均分为：%d\n", pingjun);
return 0;
}
