View Compilation Error

0_0_16905518_31829.c: In function 'main':
0_0_16905518_31829.c:15:13: error: redeclaration of 'n' with no linkage
     for(int n=0;n<10;n++)
             ^
0_0_16905518_31829.c:12:13: note: previous declaration of 'n' was here
     int i,j,n;
             ^
0_0_16905518_31829.c:15:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
     for(int n=0;n<10;n++)
     ^
0_0_16905518_31829.c:15:5: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code