/in/foo.cc: In function 'int main()':
/in/foo.cc:30:47: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if(f[i-1][j]<f[i][j] || f[i-1][j]==f[i][j] && g[i-1][j]<g[i][j])
                            ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~