Compilare: main.cpp: In function 'int main()': main.cpp:40:22: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 40 | for(int i = 1; i <= n; i++) | ~~^~~~ main.cpp:41:26: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 41 | for(int j = 1; j <= m; j++) | ~~^~~~ main.cpp:48:22: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 48 | for(int j = 1; j < m; j++) | ~~^~~ main.cpp:49:26: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 49 | for(int i = j; i < n; i++) | ~~^~~ main.cpp:53:22: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 53 | for(int i = 1; i < n; i++) | ~~^~~ main.cpp:54:28: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 54 | for(int j = i+1; j < m; j++) | ~~^~~