Compilare: main.cpp: In function 'void initialize()': main.cpp:152:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < fact.size(); j++) { ~~^~~~~~~~~~~~~ main.cpp:160:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < fact.size(); j++) { ~~^~~~~~~~~~~~~ main.cpp:180:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < fact.size(); j++) { ~~^~~~~~~~~~~~~ main.cpp: In function 'void dfs_DP(int)': main.cpp:193:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < fact.size(); j++) { ~~^~~~~~~~~~~~~ main.cpp: In function 'void clear_aux()': main.cpp:202:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < fact.size(); j++) { ~~^~~~~~~~~~~~~ main.cpp: In function 'void dfs_dp(int)': main.cpp:212:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < fact.size(); j++) { ~~^~~~~~~~~~~~~ main.cpp:223:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < fact.size(); j++) { ~~^~~~~~~~~~~~~ main.cpp: In function 'void solve()': main.cpp:238:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < fact.size(); j++) { ~~^~~~~~~~~~~~~