numere13.c: In function 'findEndNumber': numere13.c:22: error: 'for' loop initial declarations are only allowed in C99 mode numere13.c:22: note: use option -std=c99 or -std=gnu99 to compile your code numere13.c: In function 'maxSumPathToK': numere13.c:36: error: 'for' loop initial declarations are only allowed in C99 mode numere13.c: In function 'main': numere13.c:72: error: 'for' loop initial declarations are only allowed in C99 mode