Compilare: In file included from /usr/include/c++/6/cassert:44:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:33, from main.cpp:4: main.cpp: In function 'void solve()': main.cpp:241:26: warning: suggest parentheses around comparison in operand of '==' [-Wparentheses] assert(dpB[i][0] == dpB[i][1] == 0); ~~~~~~~~~~^~~~~~~~~~~~ main.cpp: In function 'void input::setupIO(const string&)': main.cpp:85:60: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen((PROB + ".in").c_str(), "r", stdin); ^ main.cpp:86:62: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen((PROB + ".out").c_str(), "w", stdout); ^