Main.cc: In function ‘int main()’: Main.cc:5:21: warning: left operand of comma operator has no effect [-Wunused-value] int a[11]=(28.9,45.6,35,27.8,56,32.7,78,86.2,43,65); ^~~~ Main.cc:5:26: warning: right operand of comma operator has no effect [-Wunused-value] int a[11]=(28.9,45.6,35,27.8,56,32.7,78,86.2,43,65); ^~ Main.cc:5:29: warning: right operand of comma operator has no effect [-Wunused-value] int a[11]=(28.9,45.6,35,27.8,56,32.7,78,86.2,43,65); ^~~~ Main.cc:5:34: warning: right operand of comma operator has no effect [-Wunused-value] int a[11]=(28.9,45.6,35,27.8,56,32.7,78,86.2,43,65); ^~ Main.cc:5:37: warning: right operand of comma operator has no effect [-Wunused-value] int a[11]=(28.9,45.6,35,27.8,56,32.7,78,86.2,43,65); ^~~~ Main.cc:5:42: warning: right operand of comma operator has no effect [-Wunused-value] int a[11]=(28.9,45.6,35,27.8,56,32.7,78,86.2,43,65); ^~ Main.cc:5:45: warning: right operand of comma operator has no effect [-Wunused-value] int a[11]=(28.9,45.6,35,27.8,56,32.7,78,86.2,43,65); ^~~~ Main.cc:5:50: warning: right operand of comma operator has no effect [-Wunused-value] int a[11]=(28.9,45.6,35,27.8,56,32.7,78,86.2,43,65); ^~ Main.cc:5:53: warning: right operand of comma operator has no effect [-Wunused-value] int a[11]=(28.9,45.6,35,27.8,56,32.7,78,86.2,43,65); ^~ Main.cc:5:52: error: array must be initialized with a brace-enclosed initializer int a[11]=(28.9,45.6,35,27.8,56,32.7,78,86.2,43,65); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~