0_0_17353121_10564.c: In function 'main':
0_0_17353121_10564.c:10:10: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for ( int i = 0 ; i <= sum ; ++ i )
^
0_0_17353121_10564.c:10:10: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_17353121_10564.c:15:20: error: redefinition of 'i'
for ( int i = 0 ; i <= num[1] ; ++ i )
^
0_0_17353121_10564.c:10:20: note: previous definition of 'i' was here
for ( int i = 0 ; i <= sum ; ++ i )
^
0_0_17353121_10564.c:15:10: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for ( int i = 0 ; i <= num[1] ; ++ i )
^
0_0_17353121_10564.c:17:20: error: redefinition of 'i'
for ( int i = 0 ; i <= num[1]*1 ; ++ i )
^
0_0_17353121_10564.c:15:20: note: previous definition of 'i' was here
for ( int i = 0 ; i <= num[1] ; ++ i )
^
0_0_17353121_10564.c:17:10: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for ( int i = 0 ; i <= num[1]*1 ; ++ i )
^
0_0_17353121_10564.c:18:14: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for ( int j = 0 ; j <= num[2]*2 ; j += 2 )
^
0_0_17353121_10564.c:19:36: error: 'a' undeclared (first use in this function)
c2[j+i] += c1[i] ;a
^
0_0_17353121_10564.c:19:36: note: each undeclared identifier is reported only once for each function it appears in
0_0_17353121_10564.c:20:10: error: expected ';' before 'for'
for ( int i = 0 ; i <= num[2]*2+num[1]*1 ; ++ i )
^
0_0_17353121_10564.c:28:20: error: redefinition of 'i'
for ( int i = 0 ; i <= num[1]*1+num[2]*2+num[3]*5 ; ++i )
^
0_0_17353121_10564.c:17:20: note: previous definition of 'i' was here
for ( int i = 0 ; i <= num[1]*1 ; ++ i )
^
0_0_17353121_10564.c:28:10: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for ( int i = 0 ; i <= num[1]*1+num[2]*2+num[3]*5 ; ++i )
^
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