Compilare: main.cpp: In function 'int main()': main.cpp:58:53: warning: 'm2_2' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << s[m2_1-1] + sm2 + s[m1_1-1] - s[m2_2] + sm1 + s[n] - s[m1_2]; ~~~~~~^ main.cpp:58:23: warning: 'm2_1' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << s[m2_1-1] + sm2 + s[m1_1-1] - s[m2_2] + sm1 + s[n] - s[m1_2]; ~~~~^~ main.cpp:58:76: warning: 'm1_2' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << s[m2_1-1] + sm2 + s[m1_1-1] - s[m2_2] + sm1 + s[n] - s[m1_2]; ~~~~~~^ main.cpp:58:41: warning: 'm1_1' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << s[m2_1-1] + sm2 + s[m1_1-1] - s[m2_2] + sm1 + s[n] - s[m1_2]; ~~~~^~