compound interest program in c

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#include<stdio.h>

#include<math.h>

int main(){

    float p,r,t,ci;

    printf("Enter principle amount : ");

    scanf("%f",&p);

    printf("\nEnter interest rate: ");

    scanf("%f",&r);

    printf("\nEnter time period in year : ");

    scanf("%f",&t);

    ci = p*pow((1 + r/100),t);

    printf("\nCompound interest is : %f",ci);

    return 0;

}

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Alogrithm:
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