c语言练习 二维数组 年平均降水量 月平均降水量

#define YEARS 5
#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=;
int i;
int j;
float rain_month = ;
for (i = ; i < YEARS; i++)
{
for (j = ; j < MONTHES; j++)
{
rain_year = rain_year + rain[i][j]; }
printf("sum rain of year %d is %.1f,average rain is %.1f\n", i + ,rain_year,rain_year/MONTHES);
rain_year = ;
} for (j = ; j < MONTHES; j++)
{ for (i = ; i < YEARS; i++)
{
rain_month = rain_month + rain[i][j]; }
printf("%d month rain is %.1f\n", j + , rain_month/YEARS);
} return ;