#include #pragma gcc optimize("Ofast,inline") void process(float input[][3], float output[][5], int n); int main(void) { int n; scanf("%d", &n); float saleData[n][3]; for (int i = 0; i < n; i++) { for (int j = 0; j < 3; j++) { scanf("%f", &saleData[i][j]); } } float total[6][5] = {}; // Process data process(saleData, total, n); for (int i = 0; i < 6; i++) { for (int j = 0; j < 4; j++) { printf("%.1f\t", total[i][j]); } printf("%.1f\n", total[i][4]); } } void process(float input[][3], float output[][5], int n) { for (int i = 0; i < n; i++) { // Note number. output[(int)(input[i][1] - 1)][(int)input[i][0] - 1] += input[i][2]; } // Calculate total for salesman float sum; for (int i = 0; i < 4; i++) { sum = 0; for (int j = 0; j < 5; j++) { sum += output[j][i]; } output[5][i] = sum; } // Calculate total for product for (int i = 0; i < 5; i++) { sum = 0; for (int j = 0; j < 4; j++) { sum += output[i][j]; } output[i][4] = sum; } // Calculate total sum sum = 0; for (int i = 0; i < 5; i++) { sum += output[i][4]; } output[5][4] = sum; }