HW10.2

#include <stdio.h>
#include <conio.h>

#define ROW 5
#define COL 3

#define O_O 10
#define E_E 20
#define O_E 15
#define E_O 15

int isEven (int n) {
    return !(n & 1);
}

int GetPower (int state, int row, int col) {
    if (state) {
        if (isEven(row) && isEven(col))
            return E_E;
        else if (!isEven(row) && !isEven(col))
            return O_O;
        else return O_E;
    } else return 0;
}

int PrintPower (int state[ROW][COL]) {
    int i, j;
    printf("> Cong suat tieu thu hien thoi cua cac den la:\n");
    for (i = 0; i < ROW; ++i) {
        for (j = 0; j < COL; ++j) {
            printf("%d  ", GetPower(state[i][j], i, j));
        }
        printf("\n");
    }
    return 0;
}

int Input(int min, int max) {
    int tmp, isInvalid, pos;
    do {
        tmp = scanf("%d", &pos);
        while (getchar() != '\n');
        if (tmp != 1 || (pos < min || pos > max)) {
            printf("!!! Vui long nhap dung so tu %d den %d !!!\n", min, max);
            isInvalid = 1;
        } else isInvalid = 0;
    } while (isInvalid);
    return pos;
}

int main () {
    int isOut = 0, isInvalid, choice, tmp;
    int state[ROW][COL] = {0};
    int posRow, posCol, selectState, i, j;

    do {
        printf("\n----------------------------------------------\n");
        printf("1. Bat/Tat den theo hang\n");
        printf("2. Bat/Tat den theo cot\n");
        printf("3. Bat/Tat den theo vi tri\n");
        printf("4. Cong suat tieu thu hien thoi\n");
        printf("0. Thoat\n");
        printf("----------------------------------------------\n");
        printf("> Nhap lua chon: ");
        do {
            tmp = scanf("%d", &choice);
            while (getchar() != '\n');
            if (tmp != 1) {
                printf("!!! Vui long nhap dung lua chon !!!\n");
                isInvalid = 1;
            } else isInvalid = 0;
        } while (isInvalid);
        switch (choice) {
            case 1:
                printf("\n----------------------------------------------\n");
                printf("> Ban muon tat hay bat (0 = Tat, 1 = Bat): ");
                selectState = Input(0, 1);
                printf("> Nhap hang can %s: ", selectState ? "Bat" : "Tat");
                posRow = Input(1, ROW);
                for (j = 0; j < COL; ++j)
                    state[posRow-1][j] = selectState;
                printf(">>> Da %s hang %d thanh cong !\n", selectState ? "Bat" : "Tat", posRow);
                printf("----------------------------------------------\n");
                break;
            case 2:
                printf("\n--------------------------------------------\n");
                printf("> Ban muon tat hay bat (0 = Tat, 1 = Bat): ");
                selectState = Input(0, 1);
                printf("> Nhap cot can %s: ", selectState ? "Bat" : "Tat");
                posCol = Input(1, COL);
                for (i = 0; i < ROW; ++i)
                    state[i][posCol-1] = selectState;
                printf(">>> Da %s cot %d thanh cong !\n", selectState ? "Bat" : "Tat", posCol);
                printf("----------------------------------------------\n");
                break;
            case 3:
                printf("\n----------------------------------------------\n");
                printf("> Ban muon tat hay bat (0 = Tat, 1 = Bat): ");
                selectState = Input(0, 1);
                printf("> Nhap toa do hang can %s: ", selectState ? "Bat" : "Tat");
                posRow = Input(1, ROW);
                printf("> Nhap toa do cot can %s: ", selectState ? "Bat" : "Tat");
                posCol = Input(1, COL);
                state[posCol-1][posCol-1] = selectState;
                printf(">>> Da %s den (%d, %d) thanh cong !\n", selectState ? "Bat" : "Tat", posRow, posCol);
                printf("----------------------------------------------\n");
                break;
            case 4:
                printf("\n----------------------------------------------\n");
                PrintPower(state);
                printf("----------------------------------------------\n");
                break;
            case 0:
                isOut = 1;
            default:
                printf("!!! Vui long nhap lua chon tu 0 den 4 !!!\n");
        }
    } while (!isOut);
    return 0;
}