Compilare: main.cpp: In function 'int main()': main.cpp:27:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(matrix[i].size() < K) { ~~~~~~~~~~~~~~~~~^~~ main.cpp:26:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i = 0; i < 2; ++i) ^~~ main.cpp:42:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' int ans = 0; ^~~ main.cpp:43:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i = 0; i < 2; ++i) ^~~ main.cpp:51:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' fout << ans; ^~~~ main.cpp:39:29: warning: 'victima' may be used uninitialized in this function [-Wmaybe-uninitialized] --cnt[i][victima]; ^