0_0_21041426_19330.c: In function 'main':
0_0_21041426_19330.c:29:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int i=0;i<n;i++)
^
0_0_21041426_19330.c:29:2: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_21041426_19330.c:31:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int j=0;j<k;j++)
^
0_0_21041426_19330.c:37:14: error: redefinition of 'i'
int ans=INF,i=0;
^
0_0_21041426_19330.c:29:10: note: previous definition of 'i' was here
for(int i=0;i<n;i++)
^
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