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#include <stdio.h>
int main(){
    int i,j, n;
    printf("Please enter a number: ");
    scanf("%d", &n);
    for(j=0;j<n;j=j+1){
        for(i=0;i<j+1;i=i+1){
            printf("*");
        }
        printf("\n");
    }
    return 0;
}