0_0_36744461_16075.c: In function 'main':
0_0_36744461_16075.c:7:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i = 1 ; i <= N1 ; i++)
^
0_0_36744461_16075.c:7:5: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_36744461_16075.c:11:6: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int j = 1 ; j <= N2 ; j++)
^
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