Compilare: user.cpp: In function ‘int main()’: user.cpp:27:78: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(signed l=0;l<a[h].size();l++) ^ user.cpp:35:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(signed h=0;h<c[j-1].size();h++) ^ user.cpp:38:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(signed h=0;h<c[j+k-1].size();h++) ^ user.cpp:45:56: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(signed h=0;h<a[i-1].size();h++) ^ user.cpp:48:58: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(signed h=0;h<a[i+k-1].size();h++) ^ user.cpp:53:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned i=2;i<=n-k+1;i++){ ^ user.cpp:68:53: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h=0;h<a[i-1].size();h++) ^ user.cpp:71:55: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h=0;h<a[i+k-1].size();h++) ^ user.cpp:75:53: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h=0;h<c[j-1].size();h++) ^ user.cpp:76:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i<=c[j-1][h] && i+k-2>=c[j-1][h])b[i][j]--; ^ user.cpp:76:63: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i<=c[j-1][h] && i+k-2>=c[j-1][h])b[i][j]--; ^ user.cpp:78:55: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h=0;h<c[j+k-1].size();h++) ^ user.cpp:79:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i<=c[j+k-1][h] && i+k-2>=c[j+k-1][h])b[i][j]++; ^ user.cpp:79:67: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i<=c[j+k-1][h] && i+k-2>=c[j+k-1][h])b[i][j]++; ^