0_0_17312581_24773.cpp: In function 'int main()': 0_0_17312581_24773.cpp:44:8: error: 'i' was not declared in this scope res[i][j] %= 3; ^ 0_0_17312581_24773.cpp:44:11: error: 'j' was not declared in this scope res[i][j] %= 3; ^