0_0_21048292_31245.c: In function 'haha':
0_0_21048292_31245.c:9:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int i = n; i >= 1; i--)
^
0_0_21048292_31245.c:9:2: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_21048292_31245.c: In function 'main':
0_0_21048292_31245.c:26:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int i = 0; i < t; i++)
^
0_0_21048292_31245.c:32:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int j = 0; j <= n; j++)
^
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