Compilare: main.cpp: In function 'int main()': main.cpp:81:13: warning: unused variable 'primulNumar' [-Wunused-variable] int primulNumar, alDoileaNumar, sum1 = 0; ^~~~~~~~~~~ main.cpp:81:26: warning: unused variable 'alDoileaNumar' [-Wunused-variable] int primulNumar, alDoileaNumar, sum1 = 0; ^~~~~~~~~~~~~ main.cpp:81:41: warning: unused variable 'sum1' [-Wunused-variable] int primulNumar, alDoileaNumar, sum1 = 0; ^~~~ main.cpp:13:29: warning: unused variable 'linie' [-Wunused-variable] int sum = 0, sumMaj = 0,linie, linie1 = -1, linie2 = -1, linie3 = -1, coloana1 = -1, coloana2 = -1; //sumMaj = suma majoritara ^~~~~ main.cpp:6:46: warning: 'y2' may be used uninitialized in this function [-Wmaybe-uninitialized] int n, mt[101][101], arr[4], x1, x2, y1, y2; ^~ main.cpp:6:42: warning: 'y1' may be used uninitialized in this function [-Wmaybe-uninitialized] int n, mt[101][101], arr[4], x1, x2, y1, y2; ^~ main.cpp:6:38: warning: 'x2' may be used uninitialized in this function [-Wmaybe-uninitialized] int n, mt[101][101], arr[4], x1, x2, y1, y2; ^~ main.cpp:78:21: warning: 'arr[2]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (arr[2] == 0 && arr[3] == 0 && sumMaj != 0) { ~~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:139:27: warning: 'x1' may be used uninitialized in this function [-Wmaybe-uninitialized] cout << mt[x1][y1] << " " << mt[x2][y2]; ^~~ main.cpp:78:21: warning: 'arr[3]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (arr[2] == 0 && arr[3] == 0 && sumMaj != 0) { ~~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:41:16: warning: 'arr[5]' may be used uninitialized in this function [-Wmaybe-uninitialized] } else if (arr[5] >= 3) { ^~ main.cpp:31:9: warning: 'arr[4]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (arr[4] >= 3) { ^~ main.cpp:18:38: warning: 'arr[1]' may be used uninitialized in this function [-Wmaybe-uninitialized] if ((i < 2 && sum != arr[1]) || sum == arr[1]) { ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~ main.cpp:28:21: warning: 'arr[6]' may be used uninitialized in this function [-Wmaybe-uninitialized] ++arr[6]; ^