0_0_37028663_30097.c: In function 'window':
0_0_37028663_30097.c:8:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int k = 2; k <= 10; k++)
^
0_0_37028663_30097.c:8:5: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_37028663_30097.c:12:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int i = 0; i < size1; i++)
^
0_0_37028663_30097.c:13:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int j = size1; j < size2; j++)
^
0_0_37028663_30097.c:15:18: error: redefinition of 'i'
for (int i = size1; i < size2; i++)
^
0_0_37028663_30097.c:12:18: note: previous definition of 'i' was here
for (int i = 0; i < size1; i++)
^
0_0_37028663_30097.c:15:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int i = size1; i < size2; i++)
^
0_0_37028663_30097.c:16:22: error: redefinition of 'j'
for (int j = size1; j < size2; j++)
^
0_0_37028663_30097.c:13:22: note: previous definition of 'j' was here
for (int j = size1; j < size2; j++)
^
0_0_37028663_30097.c:16:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int j = size1; j < size2; j++)
^
0_0_37028663_30097.c:18:18: error: redefinition of 'i'
for (int i = size1; i < size2; i++)
^
0_0_37028663_30097.c:15:18: note: previous definition of 'i' was here
for (int i = size1; i < size2; i++)
^
0_0_37028663_30097.c:18:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int i = size1; i < size2; i++)
^
0_0_37028663_30097.c:19:22: error: redefinition of 'j'
for (int j = 0; j < size1; j++)
^
0_0_37028663_30097.c:16:22: note: previous definition of 'j' was here
for (int j = size1; j < size2; j++)
^
0_0_37028663_30097.c:19:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int j = 0; j < size1; j++)
^
0_0_37028663_30097.c: In function 'main':
0_0_37028663_30097.c:33:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int i = 0; i < size; i++)
^
0_0_37028663_30097.c:35:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int j = 0; j < size; j++)
^
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