Compilare: main.cpp: In function 'void solve()': main.cpp:16:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= n; i ++) ~~^~~~ main.cpp:21:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 1; j <= n; j++) ~~^~~~ main.cpp:26:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= n; i ++) { ~~^~~~ main.cpp:29:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = i; j <= min(n,i+k); j ++) ~~^~~~~~~~~~~~~ main.cpp:40:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 1; j <= n; j++) ~~^~~~ main.cpp:27:13: warning: unused variable 'j' [-Wunused-variable] int j = i; ^ main.cpp:46:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 1; j <= n; j++) ~~^~~~ main.cpp:28:30: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized] int minim = INT_MAX, pos; ^~~