Compilare: user.cpp: In member function ‘void str::addCloud()’: user.cpp:37:9: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation] if (dr == 1) x1 += CNS, x2 += CNS; if (dr == 2) x1 -= CNS, x2 -= CNS; ^~ user.cpp:37:44: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘if’ if (dr == 1) x1 += CNS, x2 += CNS; if (dr == 2) x1 -= CNS, x2 -= CNS; ^~ user.cpp:38:9: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation] if (dr == 3) y1 += CNS, y2 += CNS; if (dr == 4) y1 -= CNS, y2 -= CNS; ^~ user.cpp:38:44: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘if’ if (dr == 3) y1 += CNS, y2 += CNS; if (dr == 4) y1 -= CNS, y2 -= CNS; ^~ user.cpp:39:9: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation] if (dr == 5) z1 += CNS, z2 += CNS; if (dr == 6) z1 -= CNS, z2 -= CNS; ^~ user.cpp:39:44: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘if’ if (dr == 5) z1 += CNS, z2 += CNS; if (dr == 6) z1 -= CNS, z2 -= CNS; ^~ user.cpp: In function ‘void dfs(int, int, int, double&)’: user.cpp:67:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (xx < 0 || xx >= crdX.size() || ~~~^~~~~~~~~~~~~~ user.cpp:68:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] yy < 0 || yy >= crdY.size() || ~~~^~~~~~~~~~~~~~ user.cpp:69:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] zz < 0 || zz >= crdZ.size()) ~~~^~~~~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:119:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < mstX.size(); ++i) ~~^~~~~~~~~~~~~ user.cpp:120:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < mstY.size(); ++j) ~~^~~~~~~~~~~~~ user.cpp:121:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k = 0; k < mstZ.size(); ++k) { ~~^~~~~~~~~~~~~