matrice3.cpp: In function `int main()': matrice3.cpp:7: `n' undeclared (first use this function) matrice3.cpp:7: (Each undeclared identifier is reported only once for each function it appears in.) matrice3.cpp:8: `i' undeclared (first use this function) matrice3.cpp:9: `a' undeclared (first use this function) matrice3.cpp:11: `mini' undeclared (first use this function) matrice3.cpp:12: `minim' undeclared (first use this function) matrice3.cpp:15: `maxi' undeclared (first use this function) matrice3.cpp:18: `minst' undeclared (first use this function) matrice3.cpp:19: `maxst' undeclared (first use this function) matrice3.cpp:21: `minj' undeclared (first use this function) matrice3.cpp:21: `maxj' undeclared (first use this function) matrice3.cpp:23: `j' undeclared (first use this function) matrice3.cpp:29: `mindr' undeclared (first use this function) matrice3.cpp:30: `maxdr' undeclared (first use this function)