0_0_19632978_12788.c: In function 'main':
0_0_19632978_12788.c:29:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int i = 0; i < row; ++i)
^
0_0_19632978_12788.c:29:9: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_19632978_12788.c:31:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int j = 0; j < col; ++j)
^
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