0_0_17402336_16704.c: In function 'DFS':
0_0_17402336_16704.c:12:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1; i<=n; i++)
^
0_0_17402336_16704.c:12:5: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_17402336_16704.c: In function 'main':
0_0_17402336_16704.c:29:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=0; i<m; i++)
^
0_0_17402336_16704.c:44:17: error: redefinition of 'i'
for(int i=1; i<=n; i++)
^
0_0_17402336_16704.c:29:17: note: previous definition of 'i' was here
for(int i=0; i<m; i++)
^
0_0_17402336_16704.c:44:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1; i<=n; i++)
^
0_0_17402336_16704.c:51:17: error: redefinition of 'i'
for(int i=1; i<=n; i++)
^
0_0_17402336_16704.c:44:17: note: previous definition of 'i' was here
for(int i=1; i<=n; i++)
^
0_0_17402336_16704.c:51:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1; i<=n; i++)
^
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