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View Compilation Error

0_0_36747612_4770.c:3:5: error: variably modified 'a' at file scope
 int a[MAX];
     ^
0_0_36747612_4770.c: In function 'main':
0_0_36747612_4770.c:12:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
   for(int i=1;i<=N;i++)
   ^
0_0_36747612_4770.c:12:3: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_36747612_4770.c:14:3: error: unknown type name 'bool'
   bool flag=true;
   ^
0_0_36747612_4770.c:14:13: error: 'true' undeclared (first use in this function)
   bool flag=true;
             ^
0_0_36747612_4770.c:14:13: note: each undeclared identifier is reported only once for each function it appears in
0_0_36747612_4770.c:16:11: error: redefinition of 'i'
   for(int i=2;i<=N;i++)
           ^
0_0_36747612_4770.c:12:11: note: previous definition of 'i' was here
   for(int i=1;i<=N;i++)
           ^
0_0_36747612_4770.c:16:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
   for(int i=2;i<=N;i++)
   ^
0_0_36747612_4770.c:19:10: error: 'false' undeclared (first use in this function)
     flag=false;
          ^


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