Compilare: main.cpp: In function 'int main()': main.cpp:10:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=n;i++) ^~~ main.cpp:13:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(i=1;i<=x;i++){ ^~~ main.cpp:49:14: warning: array subscript is above array bounds [-Warray-bounds] sec[3][1]=z; ~~~~~^ main.cpp:50:14: warning: array subscript is above array bounds [-Warray-bounds] sec[3][2]=s-mat[x][y]; ~~~~~^ main.cpp:51:14: warning: array subscript is above array bounds [-Warray-bounds] sec[3][3]=c-1; ~~~~~^ main.cpp:62:14: warning: array subscript is above array bounds [-Warray-bounds] sec[4][1]=z; ~~~~~^ main.cpp:63:14: warning: array subscript is above array bounds [-Warray-bounds] sec[4][2]=s-mat[x][y]; ~~~~~^ main.cpp:64:14: warning: array subscript is above array bounds [-Warray-bounds] sec[4][3]=c-1; ~~~~~^ cc1plus: warning: iteration 1 invokes undefined behavior [-Waggressive-loop-optimizations] main.cpp:65:18: note: within this loop for(i=1;i<=4;i++) ~^~~