c语言练习 二维数组 年平均降水量 月平均降水量
2021-06-17 01:03
标签：printf 1.2 二维数组 define main ++ bsp 二维 average #define YEARS 5 感想：二维数组总是感觉没有那么一维数组直观，写起来比较费脑子，要多写啊。 c语言练习 二维数组 年平均降水量 月平均降水量 标签：printf 1.2 二维数组 define main ++ bsp 二维 average 原文地址：https://www.cnblogs.com/yfish/p/9723214.html
#define MONTHES 12
int main(void)
{
const float rain[YEARS][MONTHES] =
{
{4.3,4.3,4.3,3.0,2.0,1.2,0.2,0.2,0.4,2.4,3.5,6.6},
{8.5,8.2,1.2,1.6,2.4,0.0,5.2,0.9,0.3,0.9,1.4,7.3},
{9.1,8.5,6.7,4.3,2.1,0.8,0.2,0.2,1.1,2.3,6.1,8.4},
{7.2,9.9,8.4,3.3,1.2,0.8,0.4,0.0,0.6,1.7,4.3,6.2},
{7.6,5.6,3.8,2.8,3.8,0.2,0.0,0.0,0.0,1.3,2.6,5.2}
};
float rain_year=0;
int i;
int j;
float rain_month = 0;
for (i = 0; i )
{
for (j = 0; j )
{
rain_year = rain_year + rain[i][j];
}
printf("sum rain of year %d is %.1f,average rain is %.1f\n", i + 1,rain_year,rain_year/MONTHES);
rain_year = 0;
}
for (j = 0; j )
{
for (i = 0; i )
{
rain_month = rain_month + rain[i][j];
}
printf("%d month rain is %.1f\n", j + 1, rain_month/YEARS);
}
return 1;
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