ACCU WEATHER

Sum of numbers

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Given a values N. Find the sum of all the numbers from 0 to N.
Input Format
Single value represents N.
Constraints
0<= N <= 10,00,000
Output Format
Single value represents sum of all the values from 0 to N.
Sample Input 0
10
Sample Output 0
55
Sample Input 1
16
Sample Output 1
136
Source Code:
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>

int main() {
long long int n,c=0,i;
    scanf("%lld",&n);
    for(i=0;i<=n;i++){
        c=c+i;
    }
    printf("%lld",c);
    return 0;
}

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