0_0_24643197_17025.c:15:17: error: unknown type name 'bool'
void DFS(int st,bool flag)
^
0_0_24643197_17025.c: In function 'main':
0_0_24643197_17025.c:40:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1;i<=m;i++){
^
0_0_24643197_17025.c:40:9: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_24643197_17025.c:45:17: error: redefinition of 'i'
for(int i=1;i<=n;i++)
^
0_0_24643197_17025.c:40:17: note: previous definition of 'i' was here
for(int i=1;i<=m;i++){
^
0_0_24643197_17025.c:45:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1;i<=n;i++)
^
0_0_24643197_17025.c:53:17: error: redefinition of 'i'
for(int i=1;i<=m;i++)
^
0_0_24643197_17025.c:45:17: note: previous definition of 'i' was here
for(int i=1;i<=n;i++)
^
0_0_24643197_17025.c:53:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=1;i<=m;i++)
^
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