`C`

`" "`

#include <stdio.h>

int main() {
    float a, b, c;

    printf("Nhap 3 so thuc: ");
    scanf("%f %f %f", &a, &b, &c);

    if (a + b > c && a + c > b && b + c > a) {
        printf("3 so la 3 canh tam giac");
    } else {
        printf("3 so khong phai la 3 canh cua tam giac");
    }

    return 0;
}