Compilare: main.cpp: In function 'int main()': main.cpp:8:18: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 8 | for(int i=1;i<=n;i++)for(int j=1;j<=i;j++)fin>>a[i][j]; | ~^~~ main.cpp:19:18: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 19 | for(int i=0;i<=n;i++){ | ~^~~ main.cpp:20:22: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 20 | for(int j=0;j<=n;j++){ | ~^~~ main.cpp:25:20: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 25 | for(int st=0;st<=n-1;st++){ | ~~^~~~~ main.cpp:26:24: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 26 | for(int dr=0;dr<=n-st-1;dr++){ | ~~^~~~~~~~ main.cpp:36:20: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 36 | for(int st=0;st<n;st++){ | ~~^~