0_0_30504651_20626.c: In function 'main':
0_0_30504651_20626.c:7:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=0; i<n; i++) {
^
0_0_30504651_20626.c:7:3: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_30504651_20626.c:11:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int j=0; j<m; j++) {
^
0_0_30504651_20626.c:14:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int k=m; k<n; k++) {
^
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