Compilare: main.cpp: In function 'int solve(int, int, int, int, int)': main.cpp:40:5: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.cpp:42:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' return sol; ^~~~~~ main.cpp: In function 'int main()': main.cpp:46:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bombo.in","r",stdin); ^ main.cpp:47:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bombo.out","w",stdout); ^ main.cpp:49:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ main.cpp:53:48: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &mat[i][j].st, &mat[i][j].val); ^