10.6 2차원 배열 연습문제

#define _CRT_SECURE_NO_WARNINGS

#include <stdio.h>

#define MONTHS 12

#define YEARS 3

int main()

{

double degree[YEARS][MONTHS] = {

{-3.2,0.2,7.0,14.1,19.6,23.6,26.2,28.0,23.1,16.1,6.8,1.2},

{-1.8,-0.2,6.3,13.9,19.5,23.3,26.9,25.9,22.1,16.4,5.6,-1.9},

{-4.0,-1.6,8.1,13.0,18.2,23.1,27.8,28.8,21.5,13.1,7.8,-0.6}

};

double year_sum[YEARS] = { 0 };

double month_sum[MONTHS] = { 0 };

printf("[Temperature Data]\n");

printf("Year index\t:\t1\t2\t3\t4\t5\t6\t7\t8\t9\t10\t11\t12\n");

for (int i = 0; i < YEARS; i++) {

printf("Year %d\t\t:\t", i);

for (int j = 0; j < MONTHS; j++) {

printf("%.1f\t", degree[i][j]);

year_sum[i] += degree[i][j];

month_sum[j] += degree[i][j];

}

printf("\n");

}

printf("\n[Yearly average temperatures of 3 years]\n");

for (int y = 0; y < YEARS; y++) {

printf("Year %d : average temperature = %.1f\n", y, year_sum[y] / (double)MONTHS);

}

printf("\n[Monthly average temperatures of 3 years]\n");

printf("Year index\t:\t1\t2\t3\t4\t5\t6\t7\t8\t9\t10\t11\t12\n");

printf("Avg temps\t:\t");

for (int m = 0; m < MONTHS; m++) {

printf("%.1f\t", month_sum[m] / YEARS);

}

return 0;

}