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- #include <bits/stdc++.h>
- using namespace std;
- int main()
- {
- int T;
- scanf("%d", &T);
- double a, b, c;
- while(T--) {
- scanf("%lf%lf%lf", &a, &b, &c);
- if(a + b < c || a + c < b || b + c < a) {
- puts("Oh, No!");
- } else {
- double s = (a + b + c) / 2.0;
- printf("%0.2lf\n", sqrt(s * (s-a) * (s-b) * (s-c)));
- }
- }
- return 0;
- }
- এইটা আমি আরেকজনের থেকে কপি মারসি :)
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