Sky Online Judge

上傳編號	228151
上傳時間	2025-04-10 19:36:38
題目	The Theft Triangle (測試題)
使用者	anonymous
總得分	0, Compile ErrorCE in 0 ms

#	State	Runtime	Memory
0	Compile ErrorCE	0	0
1	Compile ErrorCE	0	0
2	Compile ErrorCE	0	0
3	Compile ErrorCE	0	0

Judge Information

./test.cpp:5:5: error: cannot declare '::main' to be a global variable int main{ ^~~~ ./test.cpp:6:5: error: expected primary-express

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#include <iostream>
#include <math.h>
#include <stdio.h>
using namespace std;
int main{
    double a, b, c;
    cin >> a >> b;
    c = a*b/2;
    printf("%.4f", c);
    return 0
}
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