#include <stdio.h>
#include <math.h>

#define V_INITIAL 5.0  // Initial voltage in volts
#define R 10000        // Resistance in ohms (10kΩ)
#define C 0.000001     // Capacitance in farads (1µF)
#define TIME_MAX 0.05  // Maximum time in seconds
#define TIME_STEP 0.002 // Time step for plotting

void plotGraph();

int main() {
    plotGraph();
    return 0;
}

void plotGraph() {
    double t, I;
    printf("\nRC Circuit Discharging Current (I)\n");
    printf("Time (s)   Current (A)\n");
    printf("----------------------\n");
    
    for (t = 0; t <= TIME_MAX; t += TIME_STEP) {
        I = (V_INITIAL / R) * exp(-t / (R * C));
        printf("%8.3f   %6.6f | ", t, I);
        
        int barLength = (int)(I / (V_INITIAL / R) * 50); // Scale for ASCII plot
        for (int i = 0; i < barLength; i++) {
            printf("#");
        }
        printf("\n");
    }
}

RC Circuit Resistor Voltage (V_R)
Time (s)   Voltage (V)
----------------------
   0.000    5.000 | ##################################################
   0.002    4.094 | ########################################
   0.004    3.352 | #################################
   0.006    2.744 | ###########################
   0.008    2.247 | ######################
   0.010    1.839 | ##################
   0.012    1.506 | ###############
   0.014    1.233 | ############
   0.016    1.009 | ##########
   0.018    0.826 | ########
   0.020    0.677 | ######
   0.022    0.554 | #####
   0.024    0.454 | ####
   0.026    0.371 | ###
   0.028    0.304 | ###
   0.030    0.249 | ##
   0.032    0.204 | ##
   0.034    0.167 | #
   0.036    0.137 | #
   0.038    0.112 | #
   0.040    0.092 | 
   0.042    0.075 | 
   0.044    0.061 | 
   0.046    0.050 | 
   0.048    0.041 |