Compilare: main.cpp: In function 'int main()': main.cpp:8:13: warning: unused variable 'k' [-Wunused-variable] int n , k , total = 0 , c , maximum = -1 , start , stop; ^ main.cpp:6:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("teatru.in", "r" ,stdin); ^ main.cpp:7:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("teatru.out", "w" ,stdout); ^ main.cpp:10:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d " , &n , &c); ^ main.cpp:13:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c" , &s[i]); ^ main.cpp:32:17: warning: 'stop' may be used uninitialized in this function [-Wmaybe-uninitialized] for( ;start <= stop ; start ++) ~~~~~~^~~~~~~ main.cpp:8:48: warning: 'start' may be used uninitialized in this function [-Wmaybe-uninitialized] int n , k , total = 0 , c , maximum = -1 , start , stop; ^~~~~