0_0_19688052_12376.c: In function 'main':
0_0_19688052_12376.c:7:5: error: expected expression before '/' token
//int be[20];
^
0_0_19688052_12376.c:11:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1; i<=n; i++)
^
0_0_19688052_12376.c:11:9: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_19688052_12376.c:30:17: error: expected expression before '/' token
//swap(a,b);
^
0_0_19688052_12376.c:35:17: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=a; i<=b; i++)
^
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