0_0_20396147_17764.c: In function 'main':
0_0_20396147_17764.c:13:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1;i<=t;i++)
^
0_0_20396147_17764.c:13:5: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_20396147_17764.c:17:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1;i<=m;i++)
^
0_0_20396147_17764.c:23:17: error: redefinition of 'i'
for(int i=1;i<=2;i++)
^
0_0_20396147_17764.c:17:17: note: previous definition of 'i' was here
for(int i=1;i<=m;i++)
^
0_0_20396147_17764.c:23:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1;i<=2;i++)
^
0_0_20396147_17764.c:33:17: error: redefinition of 'i'
for(int i=n;i>=3;i--)
^
0_0_20396147_17764.c:23:17: note: previous definition of 'i' was here
for(int i=1;i<=2;i++)
^
0_0_20396147_17764.c:33:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=n;i>=3;i--)
^
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